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CVE-2026-111919GHSA-hjx8-qv73-f7cmGO-2026-6733

Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks

go-vikunja vikunjaGoLibraries & packages
Open in ThreatlineRecord JSON
CVSS
7.1High
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 19 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.28%Chance of exploitation activity in the next 30 days, higher than 19% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.7.0Fixed versionCVE List
Published17 Oct 2026Updated 19 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collaborators to keep receiving project data through webhooks they created. Former collaborators keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.

Text from CVE List

Affected versions 3

  • vikunjaaffected: 0.22.0 before 2.7.0CVE List
  • vikunjaunaffected: 2.7.0CVE List
  • code.vikunja.io/api, Gofrom 0.22.0, through 2.6.0OSV

References 2