# filelock (PyPI) vulnerabilities Source: https://junglewise.ai/threats/technologies/filelock Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/filelock.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 20 vulnerabilities in filelock (PyPI): 0 in the last 7 days and 18 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-112938, was published on 5 November 2026. 18 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 18 - Last 90 days: 18 - All time: 20 (0 critical, 0 exploited in the wild) ## About filelock (PyPI) A file-based lock mechanism for synchronizing file access across processes. ## Latest filelock (PyPI) vulnerabilities - [CVE-2026-112938: filelock StrictSoftFileLock symlink race privilege escalation](https://junglewise.ai/threats/cve-2026-112938-filelock-strictsoftfilelock-follows-a-symbolic-link-swapped-in) (medium, CVSS 5.8, published 5 Nov 2026) - [CVE-2026-112913: filelock: ReadWriteLock on Windows acts on SQLite side files another local user places beside its database](https://junglewise.ai/threats/cve-2026-112913-filelock-readwritelock-on-windows-acts-on-sqlite-side-files) (low, CVSS 3.3, published 5 Nov 2026) - [CVE-2026-112910: filelock WindowsFileLock mode parameter permission enforcement failure](https://junglewise.ai/threats/cve-2026-112910-filelock-windowsfilelock-ignores-mode-a-0o600-lock-file-and-the) (medium, CVSS 5.3, published 5 Nov 2026) - [CVE-2026-112908: filelock StrictSoftFileLock directory permission bypass](https://junglewise.ai/threats/cve-2026-112908-filelock-strictsoftfilelock-creates-its-claim-directories) (medium, CVSS 5.3, published 5 Nov 2026) - [CVE-2026-112907: filelock: On Windows an oplock on a soft lock's marker holds SoftFileLock.acquire() past its timeout and blocks the stale…](https://junglewise.ai/threats/cve-2026-112907-filelock-on-windows-an-oplock-on-a-soft-lock-s-marker-holds) (low, CVSS 3.1, published 5 Nov 2026) - [CVE-2026-112941: filelock is a platform-independent file lock for Python. From 4.1.0 until 4.2.1, SoftReadWriteLock and…](https://junglewise.ai/threats/cve-2026-112941-filelock-is-a-platform-independent-file-lock-for-python-from-4-1) (low, CVSS 3.3, published 20 Oct 2026) - [CVE-2026-112940: filelock ReadWriteLock SQLite database overwrite in POSIX](https://junglewise.ai/threats/cve-2026-112940-filelock-is-a-platform-independent-file-lock-for-python-from-3) (high, CVSS 7.1, published 20 Oct 2026) - [CVE-2026-112939: filelock SoftFileLock PID spoofing privilege escalation](https://junglewise.ai/threats/cve-2026-112939-filelock-is-a-platform-independent-file-lock-for-python-from-3) (medium, CVSS 4.7, published 20 Oct 2026) - [CVE-2026-112937: filelock ReadWriteLock insecure temporary directory cleanup](https://junglewise.ai/threats/cve-2026-112937-filelock-is-a-platform-independent-file-lock-for-python-from-4-1) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-112936: filelock ReadWriteLock symlink following vulnerability](https://junglewise.ai/threats/cve-2026-112936-filelock-is-a-platform-independent-file-lock-for-python-from-3) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-112935: filelock SoftFileLock file lock bypass](https://junglewise.ai/threats/cve-2026-112935-filelock-is-a-platform-independent-file-lock-for-python-from-3) (medium, CVSS 4.7, published 20 Oct 2026) - [CVE-2026-112934: filelock SoftReadWriteLock directory traversal and lock stalling](https://junglewise.ai/threats/cve-2026-112934-filelock-is-a-platform-independent-file-lock-for-python-from-4-0) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-112915: filelock ReadWriteLock unbounded SQLite query denial of service](https://junglewise.ai/threats/cve-2026-112915-filelock-is-a-platform-independent-file-lock-for-python-from-3) (medium, CVSS 5.5, published 20 Oct 2026) - [CVE-2026-112914: filelock SoftFileLock symlink attack via stale marker](https://junglewise.ai/threats/cve-2026-112914-filelock-is-a-platform-independent-file-lock-for-python-from-4-1) (medium, CVSS 5.3, published 20 Oct 2026) - [CVE-2026-112912: filelock: Symlink swap during SoftFileLock's writability check leaks whether a path exists and is writable by the lock…](https://junglewise.ai/threats/cve-2026-112912-filelock-is-a-platform-independent-file-lock-for-python-from-3) (low, CVSS 3.1, published 20 Oct 2026) - [CVE-2026-112911: filelock StrictSoftFileLock directory adoption vulnerability](https://junglewise.ai/threats/cve-2026-112911-filelock-is-a-platform-independent-file-lock-for-python-from-3) (medium, CVSS 6.3, published 20 Oct 2026) - [CVE-2026-112909: filelock UnixFileLock file truncation on rename](https://junglewise.ai/threats/cve-2026-112909-filelock-is-a-platform-independent-file-lock-for-python-prior-to) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-112906: filelock SoftFileLock stale marker reuse race condition](https://junglewise.ai/threats/cve-2026-112906-filelock-is-a-platform-independent-file-lock-for-python-from-4-1) (medium, CVSS 4.7, published 20 Oct 2026) - [CVE-2026-22701: PYSEC-2026-1374 - filelock Time-of-Check-Time-of-Use (TOCTOU) Symlink Vulnerability in SoftFileLock](https://junglewise.ai/threats/cve-2026-22701-filelock-time-of-check-time-of-use-toctou-symlink-vulnerability) (low, CVSS 3.1, published 7 Jul 2026) - [CVE-2025-68146: PYSEC-2026-1375 - filelock has a TOCTOU race condition which allows symlink attacks during lock file creation](https://junglewise.ai/threats/cve-2025-68146-filelock-has-a-toctou-race-condition-which-allows-symlink-attacks) (low, CVSS 3.1, published 7 Jul 2026) ## Most severe filelock (PyPI) vulnerabilities - [CVE-2026-112940: filelock ReadWriteLock SQLite database overwrite in POSIX](https://junglewise.ai/threats/cve-2026-112940-filelock-is-a-platform-independent-file-lock-for-python-from-3) (high, CVSS 7.1, published 20 Oct 2026) - [CVE-2026-112911: filelock StrictSoftFileLock directory adoption vulnerability](https://junglewise.ai/threats/cve-2026-112911-filelock-is-a-platform-independent-file-lock-for-python-from-3) (medium, CVSS 6.3, published 20 Oct 2026) - [CVE-2026-112936: filelock ReadWriteLock symlink following vulnerability](https://junglewise.ai/threats/cve-2026-112936-filelock-is-a-platform-independent-file-lock-for-python-from-3) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-112934: filelock SoftReadWriteLock directory traversal and lock stalling](https://junglewise.ai/threats/cve-2026-112934-filelock-is-a-platform-independent-file-lock-for-python-from-4-0) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-112909: filelock UnixFileLock file truncation on rename](https://junglewise.ai/threats/cve-2026-112909-filelock-is-a-platform-independent-file-lock-for-python-prior-to) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-112937: filelock ReadWriteLock insecure temporary directory cleanup](https://junglewise.ai/threats/cve-2026-112937-filelock-is-a-platform-independent-file-lock-for-python-from-4-1) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-112938: filelock StrictSoftFileLock symlink race privilege escalation](https://junglewise.ai/threats/cve-2026-112938-filelock-strictsoftfilelock-follows-a-symbolic-link-swapped-in) (medium, CVSS 5.8, published 5 Nov 2026) - [CVE-2026-112915: filelock ReadWriteLock unbounded SQLite query denial of service](https://junglewise.ai/threats/cve-2026-112915-filelock-is-a-platform-independent-file-lock-for-python-from-3) (medium, CVSS 5.5, published 20 Oct 2026) - [CVE-2026-112914: filelock SoftFileLock symlink attack via stale marker](https://junglewise.ai/threats/cve-2026-112914-filelock-is-a-platform-independent-file-lock-for-python-from-4-1) (medium, CVSS 5.3, published 20 Oct 2026) - [CVE-2026-112910: filelock WindowsFileLock mode parameter permission enforcement failure](https://junglewise.ai/threats/cve-2026-112910-filelock-windowsfilelock-ignores-mode-a-0o600-lock-file-and-the) (medium, CVSS 5.3, published 5 Nov 2026) ## Vulnerabilities per week 18 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 13 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 5 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other PyPI technologies - [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities - [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities - [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities - [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities - [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities - [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities - [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities - [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities - [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities - [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities - [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities - [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "filelock (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/filelock, 13 November 2026.