CVE-2026-112936filelock: ReadWriteLock follows a symlink at the lock path into SQLite

Beschreibung

filelock is a platform-independent file lock for Python. From 3.20.4 until 4.0.9, ReadWriteLock and AsyncReadWriteLock versions from 3.20.4 resolve the lock path and pass it to SQLite without rejecting a final symbolic link, allowing another local user who can create names in the lock directory to redirect database creation and locking or split mutual exclusion between targets. This issue is fixed in version 4.0.9.

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Referenzen und Patches

• https://github.com/tox-dev/filelock/security/advisories/GHSA-j8f7-rjxc-mr56 ExploitVendor Advisory
• https://github.com/tox-dev/filelock/commit/4d45e83caf7e31f9a12fb44526bdc07f70114f04 Patch
• https://github.com/tox-dev/filelock/releases/tag/4.0.9 Release Notes