CVE-2026-96276

Publié : 23 septembre 2026

Modifié : 23 septembre 2026

Score CVSS

9.8

CRITICAL

Description détaillée

If a malicious SDK container declares an extension point with a crafted `directory` path, and a developer runs `flatpak build-init --writable-sdk --sdk-extension` with that SDK, attacker-chosen files could be written outside the working directory, since the target path is resolved via a function that allows `..` traversal.

Vecteur d'attaque (CVSS)

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

Références et Patchs

https://access.redhat.com/security/cve/CVE-2026-96276 https://bugzilla.redhat.com/show_bug.cgi?id=2539418 https://github.com/flatpak/flatpak/security/advisories/GHSA-8qxj-x646-phcm

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