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filelock has TOCTOU race condition that allows symlink attacks during lock file creation

🗓️ 19 Dec 2025 09:02:14Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 3 Views

Filelock has a time of check time of use race enabling symlink attacks during lock creation.

Related
Detection
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses filelock which is vulnerable to CVE-2025-68146
20 Mar 202610:42
–ibm
IBM Security Bulletins		Security Bulletin: TOCTOU Symlink Vulnerability in filelock, affects watsonx.data
7 Apr 202610:58
–ibm
IBM Security Bulletins		Security Bulletin: IBM Edge Data Collector uses filelock-3.12.2-py3-none-any.whl which is vulnerable to CVE-2025-68146.
30 Mar 202606:57
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in filelock-3.12.2-py3-none-any.whl
16 Apr 202617:54
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities addressed with IBM Business Automation Workflow cumulative fixes April 2026
27 May 202615:10
–ibm
IBM Security Bulletins		Security Bulletin: Security vulnerability in Python affects IBM Robotic Process Automation for Cloud Pak
23 Mar 202614:06
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IBM Security Bulletins		Security Bulletin: Investigation Assistant App for IBM QRadar SIEM is vulnerable to using components with known vulnerabilities
26 Feb 202601:05
–ibm
IBM Security Bulletins		Security Bulletin: Security vulnerability in Python affects IBM Robotic Process Automation
23 Mar 202613:59
–ibm
IBM Security Bulletins		Security Bulletin: The IBM Maximo Application Suite AI-Service component uses multiple third-party dependencies that contain vulnerabilities associated with multiple CVEs.
2 Feb 202604:22
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses filelock-3.20.1-py3-none-any.whl, filelock-3.20.2-py3-none-any.whl which is vulnerable to CVE-2026-22701.
27 Feb 202612:41
–ibm
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29 Apr 2026 08:43Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.16.3 - 6.5
EPSS0.00004
SSVC
filelocktime of checktime of usesymlink attacklock creation
3