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    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.

    Published:Oct 17, 2026
    Last Modified:Oct 19, 2026
    EPS:Oct 17, 2026
    EPSS Score:0.00281
    CVSS Score:6.5

    Affected Products

    Vendor
    Vikunja
    Product
    Vikunja

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-115507 (CVSS 5.1) — Vikunja 2.2.0 before 2.7.1 contains an HTML injection vulnerability in CreateConversationalHeader in pkg/notif…
    CVE-2026-111922 (CVSS 7.2) — Vikunja from 2.2.0 before 2.7.0 contains a permissive CORS configuration that trusts every localhost and 127.0…
    CVE-2026-111921 (CVSS 5.3) — Vikunja 0.13.0 before 2.7.0 contains an incorrect authorization vulnerability that allows project members with…
    CVE-2026-111920 (CVSS 5.3) — Vikunja 2.6.0 contains a broken access control flaw in getProjectAccessForUser (pkg/models/project_access.go),…
    CVE-2026-111919 (CVSS 7.1) — Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collabora…
    CVE-2026-111918 (CVSS 5.3) — Vikunja from 1.0.0-rc0 before 2.7.0 contains an improper authorization vulnerability in RecalculateTaskPositio…
    CVE-2026-91985 (CVSS 8.7) — Vikunja before 2.6.0 fails to properly restrict access to the link-share hash field in single-share read endpo…
    CVE-2026-91984 (CVSS 5.3) — Vikunja before 2.6.0 fails to validate that user-supplied project_view_id in task-position requests belongs to…
    CVE-2026-91983 (CVSS 5.3) — Vikunja before 2.6.0 contains an API token scope bypass vulnerability in task read endpoints where authorizati…
    CVE-2026-91982 (CVSS 5.3) — Vikunja before 2.6.0 continues to expose the raw TOTP shared secret after enrollment through the GET /api/v1/u…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High