CVE-2026-111917
mediumVikunja 2.3.0 before 2.7.0 contains an improper session validation vulnerability that allows attackers to keep WebSocket access after revocation because handle…
Vikunja 2.3.0 before 2.7.0 contains an improper session validation vulnerability that allows attackers to keep WebSocket access after revocation because handleAuth never checks the JWT sid claim against the sessions table. Attackers holding a stolen access token can open or maintain connections to /api/v2/ws after session deletion or TOTP enrollment, continuing to receive the victim's notification.created pushes, including comment, task and project content.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/vikunja-2.3.0-before-2.7.0-websocket-authentication-i... disclosure@vulncheck.com
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g 134c704f-9b21-4f2e-91b3-4a467353bcc0