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CVE-2026-57458

Publié : 9 octobre 2026
Modifié : 9 octobre 2026
Lien officiel NVD
Score CVSS
8.1
HIGH

Description détaillée

Vikunja is an open-source self-hosted task management platform. In version 2.3.0, a scoped API token limited to the `oauth.authorize` permission can call `POST /api/v1/oauth/authorize`, obtain an OAuth authorization code, and exchange the code at `POST /api/v1/oauth/token` for a normal bearer JSON Web Token (JWT) and refresh token. The resulting credentials are not restricted by the original API token's permissions, allowing access to routes outside its declared scope for the same user. Version 2.4.0 fixes the vulnerability.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Références et Patchs

https://github.com/go-vikunja/vikunja/commit/4ae2e093014881052ed8f8ecd8bcb9adf83dd276https://github.com/go-vikunja/vikunja/releases/tag/v2.4.0https://github.com/go-vikunja/vikunja/security/advisories/GHSA-v3p6-34mc-hj7v

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