Vulnerability Details CVE-2026-112937
filelock is a platform-independent file lock for Python. From 4.1.0 until 4.2.1, ReadWriteLock can remove a randomized .filelock-* private-hard-link directory during cleanup, allowing another local user with rename access in a non-sticky parent to observe a live name or forge a dead-owner sweep name and rename a sibling directory onto it for deletion. This issue is fixed in version 4.2.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 0.3%
CVSS Severity
CVSS v3 Score 6.1
References