CVE-2026-112909: Python filelock · (filelock is a platform-independent file lock for Python
Affects python-filelockSource GCVE Database
Not known to be exploited · CVSS 6.1 Medium.
Data as of 27 Oct 2026, 07:29 UTC
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10python-filelockpkg:deb/ubuntu/python-filelock?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSpython-filelockpkg:deb/ubuntu/python-filelock?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu Pro 24.04 LTSpython-filelockpkg:deb/ubuntu/python-filelock?arch=source&distro=esm-apps/nobleOther threats | Affected
| Fixed in– |
Ubuntu Pro 22.04 LTSpython-filelockpkg:deb/ubuntu/python-filelock?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSpython-filelockpkg:deb/ubuntu/python-filelock?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSpython-filelockpkg:deb/ubuntu/python-filelock?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
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AI-suggested
Until a fix is available, restrict local access to trusted users to mitigate risk.
Description
Python filelock versions including 2.0.11-1 through 3.32.2-1 contain a vulnerability identified as CVE-2026-112909. The vulnerability affects platform-independent file locking functionality prior to version 4.2. It has a medium severity with a CVSS score of 6.1, indicating limited confidentiality impact but high integrity impact. No public exploits or known active exploitation have been reported. The vulnerability does not affect cloud services and no official patch or remediation details are provided in the input data.