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CVE-2026-66282 is a vulnerability in Silicon Labs EmberZNet versions 9.1.1 and earlier. It involves uncontrolled recursion triggered by a malformed Publish Billing Period command, which causes a recursive function call without reaching its end condition. This issue affects only devices that have joined the network and support the Price Cluster. The vulnerability has a medium severity rating with a CVSS 4.0 score of 6.0.

A high-severity vulnerability (CVE-2026-96778) affects the Pillow Python imaging library in versions from 9.4.0 up to 13.0.0. The vulnerability relates to the ImagingJp component. The CVSS 4.0 base score is 7.7, indicating a high impact with network attack vector, low attack complexity, and partial user interaction required. The vulnerability impacts confidentiality, integrity, and availability. No public exploits or patches are currently documented in the provided data.

Chamilo LMS from 2.0.0-alpha.1 before 2.0.0-RC.3 contains a missing authorization vulnerability in legacy AJAX handlers under public/main/inc/ajax/ that exposes user names and certificates. Unauthenticated or low-privileged users can call actions like get_users_by_group_course, user_by_all_roles, and export_all_certificates to harvest user names and other learners' certificate PDFs.

Attackers are abusing legitimate infrastructure, such as transactional email pipelines from trusted retailers like Staples and Dell, to deliver malicious content. Instead of forging sender identities, attackers embed fraudulent information within legitimate order notification fields to create urgency and prompt victims to call attacker-controlled phone numbers. This technique leverages the inherent trust in authenticated messages, bypassing traditional sender authentication checks. The abuse extends beyond commerce pipelines to various SaaS platforms, exploiting insufficient input validation to reflect attacker-controlled content in automated notifications. This evolving attack vector highlights a systemic vulnerability where trusted platforms inadvertently become delivery mechanisms for malicious intent.

CVE-2026-93856 is a medium severity vulnerability in OpenStack Cinder up to version 29.0.0 where non-admin users with project-scoped 'member' or 'reader' roles can retrieve non-expired user messages from other projects via the Block Storage API v3.3 "List messages" call. This leads to cross-project information disclosure of resource UUIDs and sanitized user messages. The issue is fixed starting from version 26.3.1.

Trigger.dev cli-v3 from 3.0.0 before 4.5.4 contains a missing authentication vulnerability in the trigger dev --mcp server, which binds all network interfaces and exposes the /sse and /messages endpoints. LAN attackers or malicious web pages can send MCP tools/call requests to invoke trigger-task, cancel-run, list-runs, and get-run-logs using the developer's stored access token.

Trigger.dev through 4.7.6 contains a missing authentication vulnerability in the supervisor workload server that allows workloads to manipulate runs belonging to other deployments without ownership verification. Attackers with network access and a valid run/snapshot pair can call the attempts/start endpoint to obtain resolved environment variables and run JWTs, or start, complete, and suspend other tenants' runs.

### Summary OGNL's optional *stricter invocation* mode maintains a block list that prevents expressions from directly calling methods on dangerous classes such as `Runtime`, `ProcessBuilder`, and `ClassLoader`. The block list filters on the **declaring class of the method OGNL invokes**. Because `java.lang.reflect.Method` (and `Constructor`/`Field`) are not on the list, an expression can use reflection as a proxy — `someMethod.invoke(target, args)` — to reach a blocked method. The real call (e.g. `ProcessBuilder.start()`) then executes inside the JDK reflection machinery and never passes back through OGNL's `invokeMethod`, so the block list never sees it. ### Proof of concept Under the default OGNL context (public-only access, stricter invocation enabled), the following expression creates a file even though a direct `new ProcessBuilder(...).start()` is blocked: ``` (#pb=new java.lang.ProcessBuilder({"/usr/bin/touch","rce-proof.txt"}), #methods=@java.lang.ProcessBuilder@class.getMethods(), #names=#methods.{ #this.getName() }, #startIdx=#names.indexOf("start"), #methods[#startIdx].invoke(#pb, null)) ``` ### Impact and scope — please read carefully **This is hardening of a defense-in-depth secondary layer, not a break of OGNL's primary security boundary.** In OGNL the stricter-invocation block list is a *secondary* mitigation. The **primary** access-control gate is the `MemberAccess` implementation supplied by the integrating framework or application, which OGNL consults on every constructor and method call. Frameworks that evaluate untrusted expressions are expected to install a restrictive `MemberAccess` — for example, Apache Struts' `SecurityMemberAccess`, which excludes dangerous classes and the `java.lang.reflect` package. Against such a `MemberAccess` this PoC is blocked at the very first step (the `new ProcessBuilder(...)` constructor), before reflection is ever reachable. The default context that ships with OGNL intentionally allows all public members and is **not** designed to sandbox untrusted input. An application that evaluates attacker-controlled expressions with that permissive default already has many paths to code execution, and this technique is not required to achieve it. **You are affected only if all of the following hold:** (1) your application evaluates untrusted/attacker-controlled OGNL expressions, (2) it uses OGNL's default permissive `MemberAccess` (or an equivalently permissive one that allows `java.lang.reflect`), and (3) it relies on the stricter-invocation block list as its sandbox. **Properly configured consumers — including Apache Struts with its `SecurityMemberAccess` — are not affected.** The actual protection for untrusted-expression scenarios remains a correctly configured `MemberAccess`; the block list should not be treated as a sandbox. ### Fix `java.lang.reflect.Method`, `java.lang.reflect.Constructor`, and `java.lang.reflect.Field` are added to the stricter-invocation block list, so reflection objects can no longer be used as invocation proxies in stricter mode. The `java.lang.invoke.MethodHandle` path was verified not to be exploitable (its signature-polymorphic `invoke`/`invokeExact` fail through OGNL's reflection-based invocation), so no additional classes are required. ### Credit Reported responsibly through Tidelift by 毛锐 (youyi.mr@alibaba-inc.com).

CVE-2026-101103 is a classic buffer overflow vulnerability in the PEAK-System Device Driver Setup by HMS Networks. The flaw arises because the PCAN diagnostic call does not verify that the output buffer provided by the caller is sufficiently large to hold the output data. This can lead to a buffer overflow condition.

### Summary `launch-editor` forwarded file paths directly to editors without sanitization. If a path resembles a CLI flag, editors like Vim may interpret it as a command, potentially causing unintended file overwrites or command execution. ### Impact #### Direct `launch-editor` users Only apps that match all of the following conditions are affected: - The attacker is able to create a file system entry (e.g. a file or directory) starting with `+` or `-` in the working directory - The user uses or the app specifies any of the following editors: - Vim (including gVim) - MacVim - Emacs (including Emacsclient) - Notepad++ (only if using a plugin exposing dangerous operations via plugin messages) - The first argument of `launchEditor` can start with `+` or `-` or the user is using WSL #### `launch-editor-middleware` users Only apps that match the following conditions are affected: - The attacker is able to create a file system entry (e.g. a file or directory) starting with `+` or `-` in the working directory - The user uses or the app specifies any of the following editors: - Vim (including gVim) - MacVim - Emacs (including Emacsclient) - Notepad++ (only if using a plugin exposing dangerous operations via plugin messages) - launch-editor older than v2.2.0 is used, or the user is using WSL #### Vite users Only apps that match the following conditions are affected: - The attacker is able to create a file system entry (e.g. a file or directory) starting with `+` or `-` in the working directory - The user uses or the app specifies any of the following editors: - Vim (including gVim) - MacVim - Emacs (including Emacsclient) - Notepad++ (only if using a plugin exposing dangerous operations via plugin messages) - The user is using WSL ### Details `launchEditor(file)` function passes the file name as-is to the editor if the file with that file name exists. If the file name starts with `-` (also `+` for Vim), the editor treats them as flags rather than positional arguments. For example, Vim treats arguments starting with `+` as an Ex command. As a result, an existing relative directory such as: ``` +call writefile(["SAFE_MARKER"],"LAUNCH_EDITOR_MARKER")|qa! ``` is not treated as a filename when passed to Vim. Vim executes the embedded Ex command. The following editor has a potentially destructive operation exposed to the CLI arguments: - Vim (including gVim) - MacVim - Emacs (including Emacsclient) - Notepad++ (only if using a plugin exposing dangerous operations via plugin messages) `launch-editor-middleware` v2.2.0+ converts the passed file path to an absolute path so those are not affected as long as the user is not using WSL. For WSL, `launch-editor` converts the paths to relative paths internally, so those are still affected. Vite 2.0.0+ uses `launch-editor-middleware` v2.2.0+ so the WSL users are only affected.

Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the server user (root in the shipped Docker image).

piflow 2.0.0 through 2.0.1 contains a remote code execution vulnerability in its DeepAgents chat agent, whose POST /chat and POST /chat/stream endpoints lack authentication. Attackers can instruct the agent to call the exec_shell tool, which runs arbitrary commands via subprocess.run without human approval or an allow-list, exposing environment secrets such as LLM API keys and database credentials.

``` ============================================================================ ReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes Location: src/PIL/XbmImagePlugin.py:58 in XbmImageFile._open() Commit: a707c6b21c313880d0771e54965d142dd42358b6 ============================================================================ ``` A crafted 512-byte file makes Pillow's `Image.open()` spend about six minutes of processor time on one core before it gives up with `UnidentifiedImageError`. Anyone who can hand bytes to an application that opens images with Pillow's default settings can trigger this, for example through an upload form, a thumbnailer, or a service that checks whether a blob is an image. A few such files sent at once can tie up a typical pool of worker processes. The cause is the `xbm_head` regular expression in `src/PIL/XbmImagePlugin.py:32-40`, which `XbmImageFile._open()` (line 58) runs over the first 512 bytes of any stream whose prefix starts with `#define`. Several adjacent parts of the pattern can match the same characters. `[ \t]+` overlaps with `.*` in the width and height lines and with `[^_]*` in the optional hotspot lines, and `[\r\n]+` closing the hotspot group overlaps with the following `[\000-\377]*`. The header sets a run of k spaces after each `#define` and a run of k line terminators after `_y_hot`, then omits the `[]` after `_bits`. That forces Python's backtracking matcher to try every way of splitting those runs and rescan the remaining bytes each time. The cost grows roughly as k to the fifth power: k = 60 measured 375 s, while a well-formed XBM of the same size opens in about 40 ms. Because this happens before any format is identified, none of Pillow's size, pixel-count or decompression-bomb limits apply, and upload size limits do not help because the file is tiny. `ImageFile.Parser.feed()` repeats the cost on every chunk until the stream is identified. The only existing mitigation is passing a `formats=` allowlist that excludes `"XBM"`. The attached reproducer opens the same header with and without the trailing `[]`. The valid version opens as XBM in 52 ms. The broken version takes 0.1 s, 0.75 s, 3.0 s and 8.6 s at k = 10, 15, 20 and 25, and the slow k = 60 case is not run. This is the same class of bug as CVE-2021-25292 in `PdfParser`, but in a different plugin and reachable from plain `Image.open()`. ## Details `XbmImageFile._open()` identifies an XBM file by running the module-level regex `xbm_head` over the first 512 bytes of the stream. The pattern has several adjacent quantifier pairs that can consume the same characters, followed by a `[\000-\377]*_bits\[]` tail that rescans the rest of the buffer for every way of splitting them. A 512-byte input built to exercise all of them and then fail the final literal keeps `Image.open()` in `xbm_head.match()` for minutes before it raises `UnidentifiedImageError`. This 512-byte input (k = 60) takes 375 s of CPU in `Image.open(io.BytesIO(data))` with default settings, measured on the stock build at this commit: ```python k = 60 data = b"#define" + b" "*k + b"_width 1\r" data += b"#define" + b" "*k + b"_height 1\r" data += b"#define" + b" "*k + b"_x_hot 1\r" data += b"#define" + b" "*k + b"_y_hot 1" + b"\r"*k data += b"_bits" # no "[]": the final literal never matches data += b"A" * (512 - len(data)) # pad to the 512 bytes _open() reads ``` Calling `XbmImagePlugin.xbm_head.match(data)` directly gives the same picture: k = 10 → 0.11 s, k = 15 → 0.76 s, k = 20 → 3.0 s, k = 25 → 8.5 s, k = 30 → 19.9 s (roughly ×27 per doubling of k, i.e. about k^4.7). A well-formed 512-byte XBM matches in 10 µs and opens and loads through `Image.open()` in ~40 ms including plugin import; the same k = 60 header with `_bits[]` present matches in 5 µs. The regex, `src/PIL/XbmImagePlugin.py:32`: ```python xbm_head = re.compile( rb"\s*#define[ \t]+.*_width[ \t]+(?P<width>[0-9]+)[\r\n]+" b"#define[ \t]+.*_height[ \t]+(?P<height>[0-9]+)[\r\n]+" b"(?P<hotspot>" b"#define[ \t]+[^_]*_x_hot[ \t]+(?P<xhot>[0-9]+)[\r\n]+" b"#define[ \t]+[^_]*_y_hot[ \t]+(?P<yhot>[0-9]+)[\r\n]+" b")?" rb"[\000-\377]*_bits\[]" ) ``` and the only call site, `src/PIL/XbmImagePlugin.py:58`: ```python def _open(self) -> None: … m = xbm_head.match(self.fp.read(512)) if not m: msg = "not a XBM file" raise SyntaxError(msg) ``` For a well-formed header (`#define im_width 8\n…static char im_bits[] = {`) each `[ \t]+` eats the single space, `.*`/`[^_]*` eat the identifier prefix, and `[\000-\377]*_bits\[]` finds the literal on its first backward scan, so the match is linear. The crafted header diverges at every one of those points: - `[ \t]+.*_width` and `[ \t]+.*_height`: the run of k spaces after `#define` can be split between `[ \t]+` and `.*` in k ways, all leading to the same continuation. Factor k each. (The choice of `\r` terminators is incidental: t

### Summary `PIL.EpsImagePlugin.Ghostscript()` builds the Ghostscript command line using the input file path (`fp.name`) **without sanitization**, placing it at `-f <infile>`. A filename beginning with `-` is interpreted by Ghostscript as an option, giving command-line argument injection; chainable to RCE (see Impact). Reproduces with Pillow's default invocation (with `-dSAFER` enabled). ### Details _Give all details on the vulnerability. Pointing to the incriminated source code is very helpful for the maintainer._ #### Type CWE-88 (Argument Injection) (→ CWE-78 (OS Command Injection) optionally, with attacker controlled text file) #### Vulnerable Codes ```python infile_temp = None if hasattr(fp, "name") and os.path.exists(fp.name): infile = fp.name # user-controlled path used as-is, without validation else: in_fd, infile_temp = tempfile.mkstemp() os.close(in_fd) infile = infile_temp # ... (copy fp into a temporary file) # Build Ghostscript command command = [ gs_binary, "-q", f"-g{width:d}x{height:d}", f"-r{res_x:f}x{res_y:f}", "-dBATCH", "-dNOPAUSE", "-dSAFER", # default sandbox — does NOT stop this injection f"-sDEVICE={device}", f"-sOutputFile={outfile}", "-c", f"{-bbox[0]} {-bbox[1]} translate", "-f", infile, # injected here: inserted into argv with no check for # option prefixes (-, --) or Ghostscript's @-file token # => argument injection (CWE-88) "-c", "showpage", ] # ... subprocess.check_call(command, startupinfo=startupinfo) # spawns Ghostscript ``` #### Root cause. When rendering an EPS image, PIL.EpsImagePlugin.Ghostscript() constructs the Ghostscript command line using the input file path (fp.name) and places it directly at the -f <infile> position of the argument list. This path is user-controllable, yet Pillow performs no validation or neutralization of tokens that Ghostscript treats specially during command-line argument parsing — in particular a leading - or -- (which Ghostscript interprets as an option rather than a filename) and a leading @ (Ghostscript's argument-file syntax, which causes it to read additional command-line arguments from the named file). Because the filename is neither normalized (e.g., forced to an absolute path or prefixed with ./) nor checked against these prefixes before being handed to the subprocess, an attacker who controls the filename passed to Image.open() can inject arbitrary Ghostscript command-line arguments. This is a classic argument-injection flaw (CWE-88), and it is not mitigated by Pillow's default -dSAFER setting. #### Affected - Pillow: tested on 12.3.0 (latest); vulnerable code is long-standing and appears to affect all current versions (main included). - Component: `src/PIL/EpsImagePlugin.py`, `Ghostscript()` — `infile = fp.name`, and the command list entry `"-f", infile`. #### Suggested fix Normalize the filename to an absolute path before it is passed to Ghostscript, so it can never be parsed as an option (`-`/`--`) or as an argument-file token (`@`): ```python if hasattr(fp, "name") and os.path.exists(fp.name): infile = os.path.abspath(fp.name) # was: infile = fp.name ``` `os.path.abspath()` guarantees the path starts with a path separator (or a drive letter on Windows), so a leading `-` or `@` can no longer reach Ghostscript's argument parser. The `else` branch already builds a safe `tempfile.mkstemp()` path and needs no change. ### PoC dockerfile, Default run shows the argument-injection demo (poc.py); for the RCE PoC run python3 poc-rce.py. ``` FROM ubuntu:24.04 RUN apt update RUN apt install -y --no-install-recommends python3 python3-venv ghostscript ca-certificates RUN rm -rf /var/lib/apt/lists/* RUN python3 -m venv /venv && /venv/bin/pip install --upgrade pip Pillow==12.3.0 ENV PATH=/venv/bin:$PATH WORKDIR /poc COPY poc.py . COPY poc-rce.py . COPY arg . CMD ["python3", "poc.py"] ``` poc.py ``` import os from PIL import Image ############################################################################################ # Attacker controlled file ############################################################################################ EPS = b"%!PS-Adobe-3.0 EPSF-3.0\n%%BoundingBox: 0 0 100 100\n%%EndComments\nshowpage\n" name = "-h" with open(name, "wb") as f: f.write(EPS) ############################################################################################ print(f"[*] Pillow opens a file whose name is {name!r}") im = Image.open(name) print(f"[*] call `load()`; this paths calls `gs` command with '-f {name}'") try: im.load() except Exception as e: print(f"[*] load() raised: {type(e).__name__}: {e}") print("CWE-88: argument injection; Pillow code doesn't validate argument name") print(" This poc.py shows the vulnerability clearly.") print("

@rvf/set-get versions before 7.0.4 have a prototype pollution vulnerability in the setPath function. This flaw allows unauthenticated attackers to overwrite properties of shared built-in functions via inherited Object.prototype methods. Exploitation can occur by submitting a specially crafted form field named hasOwnProperty.call through @rvf/core form parsing, leading to replacement of shared function properties. The impact is a process-wide denial of service that persists until the affected process is restarted. The vulnerability is fixed in version 7.0.4.

The Sensei LMS WordPress plugin before 4.26.4 contains a broken access control vulnerability in the add_new_module_term AJAX handler that allows authenticated Teacher-role attackers to assign module taxonomy terms to arbitrary courses by supplying a crafted course_id, since the handler validates only a generic nonce and checks manage_options solely for slug prefixing rather than verifying course edit permissions. Attackers can reuse a nonce obtained from their own course metabox to call wp_set_object_terms against courses owned by other teachers or administrators, enabling unauthorized modification of course content they do not own.

Frappe Helpdesk before 1.26.0 contains an authorization bypass vulnerability that allows authenticated portal users to create tickets impersonating other customers by supplying a raised_by value. Attackers can call the hd_ticket.api.new endpoint with a victim's email to plant phishing tickets in their portal and read their replies via get_ticket_activities.

A vulnerability in the Linux kernel's MTD (Memory Technology Device) core component has been resolved. The issue involved incorrect handling of the master MTD device when calling the _get_device() callback, which affected gluebi partitions relying on container_of() with the master MTD. The fix ensures the master MTD is passed correctly to _get_device(), aligning with the behavior of _put_device().

A vulnerability in the Linux kernel's virtual terminal (vt) selection code was fixed to address an unsigned integer underflow and slab-out-of-bounds read in the paste_selection() function. The issue arises when a concurrent ioctl call modifies the selection buffer length while paste_selection() is running, causing an underflow and out-of-bounds memory read. This flaw was resolved by adding a loop termination condition to prevent reading beyond the buffer.