{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-112935",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-10-19T21:30:47.244Z",
        "datePublished": "2026-10-20T14:32:25.740Z",
        "dateUpdated": "2026-10-28T14:17:06.745Z"
    },
    "containers": {
        "cna": {
            "title": "filelock: SoftFileLock stale-lock break removes a live lock file on a reused inode number and admits two holders",
            "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": "HIGH",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "NONE",
                        "baseScore": 4.7,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/tox-dev/filelock/security/advisories/GHSA-fq56-3cx3-fjxp",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/tox-dev/filelock/security/advisories/GHSA-fq56-3cx3-fjxp"
                },
                {
                    "name": "https://github.com/tox-dev/filelock/pull/843",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/tox-dev/filelock/pull/843"
                },
                {
                    "name": "https://github.com/tox-dev/filelock/commit/740ff666b62a88496c8d7394e4e6230605e4d62b",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/tox-dev/filelock/commit/740ff666b62a88496c8d7394e4e6230605e4d62b"
                },
                {
                    "name": "https://github.com/tox-dev/filelock/releases/tag/4.2.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/tox-dev/filelock/releases/tag/4.2.1"
                }
            ],
            "affected": [
                {
                    "vendor": "tox-dev",
                    "product": "filelock",
                    "versions": [
                        {
                            "version": ">= 3.22.0, < 4.2.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-10-20T14:32:25.740Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "filelock is a platform-independent file lock for Python. From 3.22.0 until 4.2.1, SoftFileLock can break a stale marker after an attacker frees its own marker following the stale read, an honest contender creates a live successor on the reused inode, and the successor's modification time is not newer than the saved observation, causing the live marker to be removed and two holders to be admitted. This issue is fixed in version 4.2.1."
                }
            ],
            "source": {
                "advisory": "GHSA-fq56-3cx3-fjxp",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/tox-dev/filelock/security/advisories/GHSA-fq56-3cx3-fjxp",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-28T14:16:43.594543Z",
                                "id": "CVE-2026-112935",
                                "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": "2026-10-28T14:17:06.745Z"
                }
            }
        ]
    }
}