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HIGH

CVE-2026-90616

CVSS v3

7.4

HIGH

Score EPSS

0.2 %

probabilité d’exploitation au 2026-09-28

CISA KEV

Non

exploitation connue

Exploitation

—

statut SSVC

Description

In Flatpak before 1.18.1, a malicious sandboxed app can obtain arbitrary read and write access to files on the host, which can be escalated to arbitrary code execution on the host, a different vulnerability than CVE-2026-76925. Flatpak creates a few app data directories (e.g., /var/cache, /var/data, /var/config, and /var/tmp) in every sandbox on every app launch where, in some cases, components of the path are attacker-controlled. Missing symlink protection can redirect the directories. Some of

Détails techniques

Publiée le
2026-09-12
Dernière modification
2026-09-12

Questions fréquentes

Qu’est-ce que CVE-2026-90616 ?

In Flatpak before 1.18.1, a malicious sandboxed app can obtain arbitrary read and write access to files on the host, which can be escalated to arbitrary code execution on the host, a different vulnerability than CVE-2026-76925. Flatpak creates a few app data directories (e.g., /var/cache, /var/data, /var/config, and /var/tmp) in every sandbox on every app launch where, in some cases, components of the path are attacker-controlled. Missing symlink protection can redirect the directories. Some of

CVE-2026-90616 est-elle activement exploitée ?

Aucune exploitation active de CVE-2026-90616 n’est confirmée. Son score EPSS était de 0.2 % au 2026-09-28, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2026-90616 ?

CVE-2026-90616 a un score de base CVSS v3 de 7.4 (gravité HIGH).

CVE-2026-90616 touche-t-elle votre environnement ?

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