Vulnerability Details CVE-2026-112941
filelock is a platform-independent file lock for Python. From 4.1.0 until 4.2.1, SoftReadWriteLock and AsyncSoftReadWriteLock cache a successful check of the <path>.rw lock tree and resolve its names again during later record operations, allowing another local user who can replace that tree after the first acquisition to redirect lock-record writes into directories writable by the lock user. 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 3.3
References