{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-112913", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-19T20:16:09.858Z", "datePublished": "2026-11-05T21:48:38.101Z", "dateUpdated": "2026-11-06T17:37:41.173Z"}, "containers": {"cna": {"title": "filelock: ReadWriteLock on Windows acts on SQLite side files another local user places beside its database", "problemTypes": [{"descriptions": [{"cweId": "CWE-367", "lang": "en", "description": "CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/tox-dev/filelock/security/advisories/GHSA-9vhv-jxww-xfm5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/tox-dev/filelock/security/advisories/GHSA-9vhv-jxww-xfm5"}, {"name": "https://github.com/tox-dev/filelock/pull/834", "tags": ["x_refsource_MISC"], "url": "https://github.com/tox-dev/filelock/pull/834"}, {"name": "https://github.com/tox-dev/filelock/pull/854", "tags": ["x_refsource_MISC"], "url": "https://github.com/tox-dev/filelock/pull/854"}, {"name": "https://github.com/tox-dev/filelock/commit/1f582d02c7e5cb4aa7e41ddae211d32d31778f3b", "tags": ["x_refsource_MISC"], "url": "https://github.com/tox-dev/filelock/commit/1f582d02c7e5cb4aa7e41ddae211d32d31778f3b"}, {"name": "https://github.com/tox-dev/filelock/commit/5e3f2ec0c5fb17cb2635b60b2b68bc63ab81ca2d", "tags": ["x_refsource_MISC"], "url": "https://github.com/tox-dev/filelock/commit/5e3f2ec0c5fb17cb2635b60b2b68bc63ab81ca2d"}], "affected": [{"vendor": "tox-dev", "product": "filelock", "versions": [{"version": ">= 3.20.4, < 4.2.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-05T21:48:38.101Z"}, "descriptions": [{"lang": "en", "value": "filelock is a platform-independent file lock for Python. From 3.20.4 until 4.2.1, ReadWriteLock and AsyncReadWriteLock on Windows use _connect to attach SQLite to the lock database by pathname, allowing another local account that can create adjacent names to place a database-wal or database-journal side file before acquisition. An undeletable WAL file makes each read or write acquisition fail immediately with sqlite3.OperationalError regardless of timeout. Separately, when the database contains at least one table, a hot journal that grants the lock account modify rights can cause SQLite recovery to delete a file named by that journal only when the lock account has permission to delete the target. The issue requires a directory writable by another account, such as a shared Windows temporary directory, and does not affect private directories. This issue is fixed in version 4.2.1."}], "source": {"advisory": "GHSA-9vhv-jxww-xfm5", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/tox-dev/filelock/security/advisories/GHSA-9vhv-jxww-xfm5", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-06T17:37:18.639217Z", "id": "CVE-2026-112913", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T17:37:41.173Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "filelock", "vendor": "tox-dev", "versions": [{"status": "affected", "version": ">= 3.20.4, < 4.2.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "filelock is a platform-independent file lock for Python. From 3.20.4 until 4.2.1, ReadWriteLock and AsyncReadWriteLock on Windows use _connect to attach SQLite to the lock database by pathname, allowing another local account that can create adjacent names to place a database-wal or database-journal side file before acquisition. An undeletable WAL file makes each read or write acquisition fail immediately with sqlite3.OperationalError regardless of timeout. Separately, when the database contains at least one table, a hot journal that grants the lock account modify rights can cause SQLite recovery to delete a file named by that journal only when the lock account has permission to delete the target. The issue requires a directory writable by another account, such as a shared Windows temporary directory, and does not affect private directories. This issue is fixed in version 4.2.1."}], "id": "CVE-2026-112913", "lastModified": "2026-11-06T18:17:49.573", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-112913", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T17:37:18.639217Z", "version": "2.0.3"}}]}, "published": "2026-11-05T22:17:47.043", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/tox-dev/filelock/commit/1f582d02c7e5cb4aa7e41ddae211d32d31778f3b"}, {"source": "security-advisories@github.com", "url": "https://github.com/tox-dev/filelock/commit/5e3f2ec0c5fb17cb2635b60b2b68bc63ab81ca2d"}, {"source": "security-advisories@github.com", "url": "https://github.com/tox-dev/filelock/pull/834"}, {"source": "security-advisories@github.com", "url": "https://github.com/tox-dev/filelock/pull/854"}, {"source": "security-advisories@github.com", "url": "https://github.com/tox-dev/filelock/security/advisories/GHSA-9vhv-jxww-xfm5"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/tox-dev/filelock/security/advisories/GHSA-9vhv-jxww-xfm5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "filelock: filelock: Denial of service via pre-created SQLite side files", "id": "2567720", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2567720"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-412", "details": ["A flaw was found in filelock. When a lock database is placed in a shared directory writable by other local users on Windows, an attacker can create crafted SQLite side files adjacent to the database. This manipulation causes subsequent lock acquisition attempts to fail immediately, resulting in a denial of service (DoS). Under specific conditions, this behavior may also trigger SQLite recovery to delete an arbitrary file accessible to the user acquiring the lock."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-112913", "package_state": [{"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mlflow-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}], "public_date": "2026-11-05T21:48:38Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-112913\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-112913\nhttps://github.com/tox-dev/filelock/commit/1f582d02c7e5cb4aa7e41ddae211d32d31778f3b\nhttps://github.com/tox-dev/filelock/commit/5e3f2ec0c5fb17cb2635b60b2b68bc63ab81ca2d\nhttps://github.com/tox-dev/filelock/pull/834\nhttps://github.com/tox-dev/filelock/pull/854\nhttps://github.com/tox-dev/filelock/security/advisories/GHSA-9vhv-jxww-xfm5"], "statement": "This vulnerability is rated as Low severity because it requires local access on Windows environments, which are not typical deployment targets for Red Hat products. The flaw occurs when shared directories allow unprivileged local accounts to pre-create auxiliary database files, disrupting lock acquisition or triggering targeted file deletion during recovery. Because Red Hat platforms operate on Linux architectures where filelock uses POSIX locking mechanisms rather than the vulnerable Windows code path, standard enterprise deployments are not exposed to this behavior.", "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.20.4,4.2.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "filelock", "source": "cna", "vendor": "tox-dev"}, "product": "filelock", "vendor": "tox-dev"}], "created": "2026-11-05T23:30:16.309021+00:00", "updated": "2026-11-06T14:00:07.357859+00:00", "vendors": ["tox-dev", "tox-dev$PRODUCT$filelock"]}