Vikunja: Unbounded image decode on avatar and project-background uploads enables decode/resize amplification
High-risk advisory
CVE-2026-91971
Summary
Vikunja: Unbounded image decode on avatar and project-background uploads enables decode/resize amplification
Why it matters
GitHub has published a reviewed security advisory for code.vikunja.io/api. Prioritize it with other application dependency updates, especially because EPSS places it in the 36% percentile.
Operator check
Check whether code.vikunja.io/api is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 7.1. EPSS probability: 0.4%; percentile: 36%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.