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CVE-2026-35594

MEDIUM

6.5

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.16.5

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/10/2026

Ultima modificacao4/10/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-613

Referencias

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)

Correlacoes IOC

Sem correlacoes registradas

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