CVE-2026-112934

{"id": "CVE-2026-112934", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-112934", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-22T21:28:05.808470Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "tox-dev", "product": "filelock", "versions": [{"status": "affected", "version": ">= 4.0.0, < 4.2.1"}]}]}], "published": "2026-10-20T15:17:16.100", "references": [{"url": "https://github.com/tox-dev/filelock/commit/bfa066d65a1ba9106f86ee9d027f7588b9c77e03", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/tox-dev/filelock/pull/842", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/tox-dev/filelock/releases/tag/4.2.1", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/tox-dev/filelock/security/advisories/GHSA-fj95-fr6c-h845", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/tox-dev/filelock/security/advisories/GHSA-fj95-fr6c-h845", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-62"}]}], "descriptions": [{"lang": "en", "value": "filelock is a platform-independent file lock for Python. From 4.0.0 until 4.2.1, SoftReadWriteLock refreshes holder records by name, allowing another local user with rename access to the lock directory to replace a record with a named pipe and stall the lock, or under a permissive hard-link policy to link a reachable target file and cause the lock user to write through it. This issue is fixed in version 4.2.1."}], "lastModified": "2026-10-22T22:18:02.680", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tox-dev:filelock:*:*:*:*:*:python:*:*", "vulnerable": true, "matchCriteriaId": "AE7EA834-3098-462C-A4E7-B0194AD65F1D", "versionEndExcluding": "4.2.1", "versionStartIncluding": "4.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}