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CVE-2026-111917

7.1 high SSVC exploitation: poc Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → DeferredNVD modified 2026-10-19 21:14
  2. First seenCVSS 7.1NVD modified 2026-10-19 15:16

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3