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 v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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
https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g

Configurations

No configuration.

History

19 Oct 2026, 15:16

Type	Values Removed	Values Added
References	~~() https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g -~~	() https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g -

17 Oct 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-17 19:16

Updated : 2026-10-19 21:14

NVD link : CVE-2026-111917

Mitre link : CVE-2026-111917

CVE.ORG link : CVE-2026-111917

JSON object : View

Products Affected

No product.

CWE

CWE-613

Insufficient Session Expiration

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