CVE-2026-19201VulnerabilityPublished 9 Nov 2026Updated 11 Nov 2026

SUSE · Security update for elemental, elemental-register, elemental-system-agent, elemental-toolkit

Affects SUSESource GCVE Database

Mentioned vulnerabilities

Authoritative record:CVE-2026-19201· Medium 6.6

Not known to be exploited · CVSS 6.6 Medium · fixed in SUSE package updates : update SUSE go-attestation when convenient.

Data as of 11 Nov 2026, 23:06 UTC

CVSS 4.0 base score

6.6Medium

How severe the flaw is on the 0–10 CVSS scale.

Patch: Available – fixed in 2.3.2

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Base metrics

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: None
User Interaction: None
Vulnerable system confidentiality: None
Vulnerable system integrity: None
Vulnerable system availability: High
Subsequent system confidentiality: None
Subsequent system integrity: None
Subsequent system availability: None

Threat metrics

Exploit Maturity: Unreported

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Attack Requirements: None: The successful attack does not depend on the deployment and execution conditions of the vulnerable system. The attacker can expect to be able to reach the vulnerability and execute the exploit under all or most instances of the vulnerability.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without interaction from any human user, other than the attacker.
Vulnerable system confidentiality: None: There is no loss of confidentiality within the Vulnerable System.
Vulnerable system integrity: None: There is no loss of integrity within the Vulnerable System.
Vulnerable system availability: High: There is a total loss of availability, resulting in the attacker being able to fully deny access to resources in the Vulnerable System; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the Vulnerable System (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).
Subsequent system confidentiality: None: There is no loss of confidentiality within the Subsequent System or all confidentiality impact is constrained to the Vulnerable System.
Subsequent system integrity: None: There is no loss of integrity within the Subsequent System or all integrity impact is constrained to the Vulnerable System.
Subsequent system availability: None: There is no impact to availability within the Subsequent System or all availability impact is constrained to the Vulnerable System.
Exploit Maturity: Unreported: Based on threat intelligence sources each of the following must apply: · No knowledge of publicly available proof-of-concept · No knowledge of reported attempts to exploit this vulnerability · No knowledge of publicly available solutions used to simplify attempts to exploit the vulnerability

Definitions: FIRST CVSS v4.0 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 8 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Googlego-attestation	Affected <=0.6.1	Fixed in–
Gogithub.com/google/go-attestation`pkg:golang/github.com/google/go-attestation`Other threats	Affected =0.0.0 <=0.6.1	Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This update for elemental, elemental-register, elemental-system-agent, elemental-toolkit fixes the following issues: - CVE-2026-19201: github.com/google/go-attestation/attest: unbounded recursion in Windows ELAM parsing (bsc#1279911 bsc#1279912). - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265781). - CVE-2026-37236: github.com/grpc-ecosystem/grpc-gateway/v2/runtime: client can override the HTTP method of a POST request through the X-HTTP-Method-Override header and bypass established access control (bsc#1277992). - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266622 bsc#1266789). - CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272088). - CVE-2026-79775: github.com/diskfs/go-diskfs: malformed SquashFS image can cause crashes and persistent CPU loops in rclone's archive backend (bsc#1278164). - CVE-2026-83530: github.com/google/cel-go/cel: no enforcement of expression size limit before source construction can lead to excessive resource consumption (bsc#1279996). - CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation issue allows for bypass of authorization policies via mixed-case or canonical-case header matches (bsc#1279312). - CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279213). Changes for elemental-pool: - Update to v2.3.2: * 9e6df8e Update KVM flavor to include iptables Changes for elemental-register-pool: - Update to v1.9.3: * ee57a686 Bump github.com/rancher-sandbox/go-tpm * 2a6c4918 Fix sporadic failures in unit tests * 717137bd bump yip library * 9c08fcac User Rewrite function instead of a Director function in ReverseProxy * 3073bcc1 Bump rancher-sandbox/go-tpm * 0746e6be Bump grpc library to v1.83.2. Includes fixes for: - bsc#1279213 (CVE-2026-84304) * 56c83652 Bump to golang 1.26 * f37b9d62 bump go-attestation. Includes fixes for: - bsc#1279912 (CVE-2026-19201) - bsc#1279911 (CVE-2026-19201) * 48e0352f Bump test environment * f78effcf Bump generators * 6c7818a2 Bump wrangler to v3.6.1. Includes fixes for: - bsc#1272088 (CVE-2026-56852) - bsc#1279312 (CVE-2026-84303) - bsc#1266789 (CVE-2026-39821) - bsc#1266622 (CVE-2026-39821) * 0eeb3eac Bump grpc-ecosystem/grpc-gateway/v2. Includes fixes for: - bsc#1277992 (CVE-2026-37236) * 0c104e17 fix(tpm): fix duplicate emulated TPM seeds on UUID suffix collision (#1018) * 3605ef3f Change tags order to facilitate OBS builds - Changes on top of v1.9.2: * 893fbf0f Fix reference in labels * dfaf68ac Adapt labels to pass OBS container checks Changes for elemental-system-agent-pool: - Update to version 0.15.2: * fix: swap kubectl download to cowboy-builder rpm * Update module golang.org/x/crypto to v0.56.0 [SECURITY] * Update module google.golang.org/grpc to v1.83.2 [SECURITY] * Update module golang.org/x/mod to v0.40.0 [SECURITY] * Update module github.com/google/cel-go to v0.30.0 [SECURITY] * Update module go.etcd.io/etcd/client/pkg/v3 to v3.6.14 [SECURITY] * Update module github.com/klauspost/compress to v1.18.7 [SECURITY] This version includes fixes for: - bsc#1279996 (CVE-2026-83530) - bsc#1279312 (CVE-2026-84303) - bsc#1279213 (CVE-2026-84304) - Update to version 0.15.1: * [2.15] Bump go toolchain to 1.26.7 (#426) * Bump dependencies (#421) * Update README (#404) * add uninstall flag (#384) * some cve fixes, notably x/net and kubectl versions (#359) * Update actions/checkout action to v7 * Update actions/upload-artifact action to v7 * Update actions/setup-go action to v6.4.0 * Update rancher/renovate-config digest to fc79cf4 * Update registry.suse.com/bci/bci-micro Docker tag to v16 * switch renovate over to the newer configuration (#293) * bump kubectl to 1.36.1 (#292) * add release branches to renovate config (#289) * Fix swapped kubectl checksums in SUC release image build (#286) * Document versioning schema and branch strategy aligned with Rancher minor releases (#280) * bumping CAPI to v1.13.2 and wrangler unrc version * bump k8s v1.36 * fix logs collection * test: add new Plan State integration tests * chore: bump rancher/rancher/pkg/plan to consume Plan States * test: add e2e tests for Plan States lifecycle * feat: Adapt code to use Plan States * Add README.md for integration tests * Improve comments in scripts and logging * Adapt test framework code to use new pkg/plan library from rancher/rancher * Add test/vendor to .gitignore * Utilize new pkg/plan library from rancher/rancher * bump the fallback version to v0.3.16 * add initial version of integration tests - bsc#1277992 (CVE-2026-37236) - bsc#1272088 (CVE-2026-56852) - bsc#1265781 (CVE-2026-33814) - bsc#1266622 (CVE-2026-39821) Changes for elemental-toolkit-pool: - Update to v2.3.5: * 61bb

References

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