CVE-2026-112941
3.3 · LOWfilelock is a platform-independent file lock for Python.
Overview
CVE-2026-112941 is a low-severity vulnerability affecting tox-dev filelock. It was published on October 20, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical description
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.
Remediation
Check the references section for vendor advisories and patches from tox-dev. Update filelock to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| tox-dev | filelock | >= 4.1.0, < 4.2.1 | Affected |
References
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Frequently asked questions
What is CVE-2026-112941?
CVE-2026-112941 is a low-severity vulnerability affecting tox-dev filelock. It was published on October 20, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).
How severe is CVE-2026-112941?
This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-112941?
Check the references section for vendor advisories and patches from tox-dev. Update filelock to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-112941?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-112941 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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