VulnerabilityPublished 8 Mar 2026Updated 11 Mar 2026

CVE-2026-3695: SourceCodester Modern Image Gallery App · Path Traversal

Affects SourceCodester Modern Image Gallery AppSource CVE Database V5

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Public exploit available · CVSS 6.9 Medium.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 4.0 base score

6.9Medium

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

EPSS: 0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

Base metrics

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

Threat metrics

Exploit Maturity: POC

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: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact to the Vulnerable System.
Vulnerable system availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the Vulnerable System are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the Vulnerable System.
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: POC: Based on threat intelligence sources each of the following must apply: · Proof-of-concept is publicly available · 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 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 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
SourceCodesterModern Image Gallery App	Affected =1.0	Fixed in–

AI-suggested

Immediate mitigation should include input validation and sanitization on the 'filename' parameter in /delete.php to prevent directory traversal sequences such as '../'.
Implement strict allowlists for file names or extensions that can be processed by the delete functionality.
Apply least privilege principles to the web server and application file system permissions to restrict access to sensitive directories and files.
Employ web application firewalls (WAFs) configured to detect and block path traversal attack patterns targeting the vulnerable endpoint.
Monitor server logs for unusual access patterns or attempts to access files outside the intended directories.
If possible, isolate the application in a sandboxed environment to limit the impact of potential exploitation.
Stay alert for official patches or updates from SourceCodester and apply them promptly once available.
Conduct regular security assessments and code reviews to identify and remediate similar vulnerabilities proactively.

Description

A vulnerability has been found in SourceCodester Modern Image Gallery App 1.0. Impacted is an unknown function of the file /delete.php. Such manipulation of the argument filename leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Impact

The primary impact of CVE-2026-3695 is unauthorized disclosure of sensitive files on affected servers, which can compromise confidentiality. Attackers may retrieve configuration files, credentials, or other sensitive data, potentially leading to further exploitation such as privilege escalation or lateral movement within the network. The vulnerability can also affect system integrity if attackers modify files indirectly by leveraging disclosed information. Availability impact is limited but possible if critical system files are accessed and manipulated. Organizations worldwide using the SourceCodester Modern Image Gallery App 1.0 or similar vulnerable web applications face increased risk of data breaches and reputational damage. The ease of exploitation and lack of required authentication amplify the threat, especially for internet-facing instances. Although no known exploits are currently active in the wild, public disclosure increases the risk of imminent attacks. Failure to address this vulnerability could lead to significant operational and security consequences.

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 15 Mar 2026, 09:04 UTC

Technical details

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