MEDIUM 6.3 Microsoft
CVE-2025-68146
filelock has TOCTOU race condition that allows symlink attacks during lock file creation
Microsoft Security Update 2026-Aug: filelock has TOCTOU race condition that allows symlink attacks during lock file creation
Affected Products
- azl3 python-filelock 3.14.0-1 on Azure Linux 3.0
- cbl2 python-filelock 3.0.12-13 on CBL Mariner 2.0
- cbl2 python-filelock 3.0.12-13
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-68146
- https://nvd.nist.gov/vuln/detail/CVE-2025-68146
This medium severity vulnerability with a CVSS score of 6.3 was published on 2026-08-06 via Microsoft. Affected: azl3 python-filelock 3.14.0-1 on Azure Linux 3.0, cbl2 python-filelock 3.0.12-13 on CBL Mariner 2.0, cbl2 python-filelock 3.0.12-13.
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