CVE-2026-112909

filelock is a platform-independent file lock for Python. Prior to 4.2.1, UnixFileLock can truncate a regular file renamed onto the lock path when another local user has actual rename permission, or hard-linked there under a permissive hard-link policy; when an explicit mode is requested, affected...

CVE-2026-112909

The filelock Python library contains a vulnerability in UnixFileLock prior to version 4.2.1 . A local user can cause the library to truncate or change the mode of a regular file if that file is renamed or hard-linked onto the lock path by another user (who has rename permissions or a permissive h...

CVE-2026-112909 filelock: UnixFileLock truncates and chmods any regular file another user renames or hard-links onto the lock path

filelock is a platform-independent file lock for Python. Prior to 4.2.1, UnixFileLock can truncate a regular file renamed onto the lock path when another local user has actual rename permission, or hard-linked there under a permissive hard-link policy; when an explicit mode is requested, affected...

EUVD-2026-105017

filelock is a platform-independent file lock for Python. Prior to 4.2.1, UnixFileLock can truncate a regular file renamed onto the lock path when another local user has actual rename permission, or hard-linked there under a permissive hard-link policy; when an explicit mode is requested, affected...

Unity Linux 20.1070e Security Update: python-filelock (UTSA-2026-099470)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099470 advisory. filelock is a platform-independent file lock for Python. In versions prior to 3.20.1, a Time-of-Check- Time-of-Use TOCTOU race condition allows local attackers to...