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CVE-2026-35594

MEDIUM

6.5

Description

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.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/10/2026

Derniere modification4/10/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-613

References

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)

Correlations IOC

Aucune correlation enregistree

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