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CVE-2026-35594

MEDIUM

6.5

Beschreibung

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, Vikunja's link share authentication (GetLinkShareFromClaims in pkg/models/link_sharing.go) constructs authorization objects entirely from JWT claims without any server-side database validation. When a project owner deletes a link share or downgrades its permissions, all previously issued JWTs continue to grant the original permission level for up to 72 hours (the default service.jwtttl). This vulnerability is fixed in 2.3.0.

CVE Details

CVSS v3.1 Bewertung6.5

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht4/10/2026

Zuletzt geandert4/10/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-613

Referenzen

https://github.com/go-vikunja/vikunja/commit/379d8a5c19334ffe4846003f590e202c31a75479(security-advisories@github.com)

https://github.com/go-vikunja/vikunja/pull/2581(security-advisories@github.com)

https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0(security-advisories@github.com)

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-96q5-xm3p-7m84(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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