CVE-2026-111917
High · CVSS 7.1Published 2026-10-17
CVSS
7.1
High
EPSS
—
exploit probability
Active Exploit
No
not yet listed
What is CVE-2026-111917?
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 Score Explained
CVSS 7.1 is High severity. Exploitation is likely straightforward and the impact is significant — data loss, privilege escalation, or remote code execution are common outcomes. Patch as soon as possible.
EPSS Exploitation Probability
No EPSS score yet — model needs more data on this CVE.
References & Patches
- ›https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g
- ›https://www.vulncheck.com/advisories/vikunja-2.3.0-before-2.7.0-websocket-authentication-ignores-session-revocation
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