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Wallos CVE-2026-30842

MEDIUM
Missing Authorization (CWE-862)
2026-03-07 security-advisories@github.com
Authentication Bypass Wallos
4.3
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Mar 11, 2026 - 18:06 vuln.today
Public exploit code
Patch released
Mar 11, 2026 - 18:06 nvd
Patch available
CVE Published
Mar 07, 2026 - 06:16 nvd
MEDIUM 4.3

DescriptionGitHub Advisory

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, Wallos allows an authenticated user to delete avatar files uploaded by other users. The avatar deletion endpoint does not verify that the requested avatar belongs to the current user. As a result, any authenticated user who knows or can discover another user's uploaded avatar filename can delete that file. This issue has been patched in version 4.6.2.

AnalysisAI

Wallos prior to version 4.6.2 contains an authorization bypass allowing authenticated users to delete avatar files belonging to other users due to missing ownership verification on the avatar deletion endpoint. An attacker with valid credentials can enumerate or guess other users' avatar filenames to remove their files. …

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Vulnerability AssessmentAI

Risk Assessment CVSS 4.3 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker (requires authentication) could exploit this vulnerability to compromise the affected system.
Remediation A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.
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Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-30842 vulnerability details – vuln.today
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