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Advisory record · GHSA-fmmf-xq98-g327

Vikunja: Write-level project members can delete admin-tier link shares through an unloaded permission check

CVSS 5.3 MediumEPSS 0.0021 · 11th percentile

Published by the GitHub Advisory Database at 9 Oct 2026, 20:57 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
code.vikunja.io/apiGo>=0.13.0, <2.7.02.7.0
Identifiers
GHSA-fmmf-xq98-g327 · CVE-2026-111921 · GO-2026-6730
Weakness (CWE)
CWE-863
Tags
Published
9 Oct 2026
Updated
27 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Vikunja (code.vikunja.io/api) versions 0.13.0 up to 2.7.0 are affected. A project member with Write permission can delete an admin-tier link share on that project, which revokes external access through that link, provided they know or guess the numeric share ID. Upgrade to Vikunja 2.7.0 or later.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0021, the 11th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.