{"schema":"threatline.record/2","record":{"id":"CVE-2026-112941","aliases":["GHSA-wfhq-q4j2-c37m"],"summary":"filelock: SoftReadWriteLock follows a lock tree swapped in after its first acquire and writes lock records into directories of the user running the lock","details":"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.","categories":["Unclassified"],"product":"filelock","vendor":"tox-dev","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112941","source_modified_at":"2026-10-20T14:43:18.060Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"filelock","vendor":"tox-dev","versions":[{"version":">= 4.1.0, < 4.2.1","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":3.3,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00095,"percentile":0.00614,"score_date":"2026-10-23"},"published_at":"2026-10-20T14:43:18.060Z","modified_at":"2026-10-20T14:43:18.060Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112941","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T14:43:18.060Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112941","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/tox-dev/filelock/security/advisories/GHSA-wfhq-q4j2-c37m","tags":["x_refsource_CONFIRM"]},{"source":"CVE List","url":"https://github.com/tox-dev/filelock/pull/842","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/tox-dev/filelock/commit/bfa066d65a1ba9106f86ee9d027f7588b9c77e03","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/tox-dev/filelock/releases/tag/4.2.1","tags":["x_refsource_MISC"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T14:43:18.060Z","content_hash":"cbe4248a9b0a7a460ff46d4b0ddc01010392b008447bd5d9a1034a7504ab97d6"}}