HIGH 7.1 NVD
CVE-2026-123523
Vikunja before 2.7.1 contains an uncontrolled resource consumption vulnerability that allows authenticated users to exhaust server memory by requesting avatars
Vikunja before 2.7.1 contains an uncontrolled resource consumption vulnerability that allows authenticated users to exhaust server memory by requesting avatars at many distinct sizes. Attackers can upload a noisy avatar and fetch it at each size up to 1024, caching roughly a gigabyte per account without eviction and causing the API process to be OOM-killed.
References
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-3x3m-2j93-w46j
- https://www.vulncheck.com/advisories/vikunja-before-2.7.1-memory-exhaustion-via-unbounded-
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-11-08 via NVD.
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