CVE-2026-34078
CVE-2026-34078 · Flatpak has a complete sandbox escape leading to host file access and code execution in the host context
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the Flatpak portal accepts paths in the sandbox-expose options which can be app-controlled symlinks pointing at arbitrary paths. Flatpak run mounts the resolved host path in the sandbox. This gives apps access to all host files and can be used as a primitive to gain code execution in the host context. This vulnerability is fixed in 1.16.4.
CVSS 9.3 · Critique · EPSS 1,7% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
flatpak
- Versions du logiciel
- < 1.16.4: Concernée
Aucun correctif publié
flatpak Debian:12
- Versions du logiciel
- 1.14.10-1~deb12u1
- 1.14.4-1
- 1.14.4-1+deb12u1
- 1.14.4-1+deb12u1~bpo11+1
- 1.14.4-2
- 1.14.5-1
- 1.14.6-1
- 1.14.6-1~deb13u1
- 1.14.8-1
- 1.14.8-1~deb12u1
- Plages de versions concernées
- ECOSYSTEM: < 1.14.10-1~deb12u2
Mettez à jour vers 1.14.10-1~deb12u2
flatpak Debian:13
- Versions du logiciel
- 1.16.1-1
- 1.16.1-2
- 1.16.1-3
- 1.16.2-1
- 1.16.2-1~deb13u1
- 1.16.3-1
- 1.16.3-1~deb13u1
- 1.16.4-1
- 1.16.4-2
- 1.16.5-1
- 1.16.6-1~deb13u1~bpo12+1
- Plages de versions concernées
- ECOSYSTEM: < 1.16.6-1~deb13u1
Mettez à jour vers 1.16.6-1~deb13u1
flatpak Debian:14
- Versions du logiciel
- 1.16.1-1
- 1.16.1-2
- 1.16.1-3
- 1.16.2-1
- 1.16.2-1~deb13u1
- 1.16.3-1
- 1.16.3-1~deb13u1
- Plages de versions concernées
- ECOSYSTEM: < 1.16.4-1
Mettez à jour vers 1.16.4-1
flatpak Ubuntu:Pro:18.04:LTS
- Versions du logiciel
- 0.8.7-5
- 0.10.0-1
- 0.10.0-2
- 0.10.1-1
- 0.10.2-1
- 0.10.2.1-1
- 0.10.2.1-2
- 0.10.3-1
- 0.11.1-0ubuntu1
- 0.11.3-2
- 0.11.3-3
- 0.11.7-0ubuntu0.1
- 1.0.1-0ubuntu0.1
- 1.0.6-0ubuntu0.1
- 1.0.7-0ubuntu0.18.04.1
- 1.0.8-0ubuntu0.18.04.1
- 1.0.9-0ubuntu0.1
- 1.0.9-0ubuntu0.2
- 1.0.9-0ubuntu0.3
- 1.0.9-0ubuntu0.4
- 1.0.9-0ubuntu0.4+esm1
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
flatpak Ubuntu:Pro:20.04:LTS
- Versions du logiciel
- 1.4.3-1
- 1.6.0-1
- 1.6.1-1
- 1.6.2-1
- 1.6.3-1
- 1.6.5-0ubuntu0.1
- 1.6.5-0ubuntu0.2
- 1.6.5-0ubuntu0.3
- 1.6.5-0ubuntu0.4
- 1.6.5-0ubuntu0.5
- Plages de versions concernées
- ECOSYSTEM: < 1.6.5-0ubuntu0.5+esm1
Mettez à jour vers 1.6.5-0ubuntu0.5+esm1
flatpak Ubuntu:Pro:22.04:LTS
- Versions du logiciel
- 1.10.2-3
- 1.12.2-1
- 1.12.2-2
- 1.12.3-1
- 1.12.4-1
- 1.12.5-1
- 1.12.6-1
- 1.12.7-1
- 1.12.7-1ubuntu0.1
- Plages de versions concernées
- ECOSYSTEM: < 1.12.7-1ubuntu0.1+esm1
Mettez à jour vers 1.12.7-1ubuntu0.1+esm1
flatpak Ubuntu:Pro:24.04:LTS
- Versions du logiciel
- 1.14.4-2
- 1.14.5-1
- 1.14.5-1build1
- 1.14.5-1build4
- 1.14.5-1build5
- 1.14.5-1build6
- 1.14.6-1
- 1.14.6-1ubuntu0.1
- Plages de versions concernées
- ECOSYSTEM: < 1.14.6-1ubuntu0.1+esm1
Mettez à jour vers 1.14.6-1ubuntu0.1+esm1
flatpak Ubuntu:25.10
- Versions du logiciel
- 1.16.0-2
- 1.16.1-1build1
- 1.16.1-2
- 1.16.1-2ubuntu1
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
Sources originales
- https://github.com/flatpak/flatpak/security/advisories/GHSA-cc2q-qc34-jprg
- http://www.openwall.com/lists/oss-security/2026/04/09/8
- http://www.openwall.com/lists/oss-security/2026/04/10/14
- https://access.redhat.com/security/cve/CVE-2026-34078
- https://bugzilla.redhat.com/show_bug.cgi?id=2456276
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34078.json
- https://access.redhat.com/errata/RHSA-2026:35843
- https://access.redhat.com/errata/RHSA-2026:23420
- https://access.redhat.com/errata/RHSA-2026:21757
- https://access.redhat.com/errata/RHSA-2026:21756
- https://access.redhat.com/errata/RHSA-2026:30901
- https://access.redhat.com/errata/RHSA-2026:25381
- https://access.redhat.com/errata/RHSA-2026:25068
- https://access.redhat.com/errata/RHSA-2026:23419
- https://access.redhat.com/errata/RHSA-2026:23417
- https://access.redhat.com/errata/RHSA-2026:23418
- https://access.redhat.com/errata/RHSA-2026:21755
- https://nvd.nist.gov/vuln/detail/CVE-2026-34078