{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-59946",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-07-07T18:49:15.607Z",
        "datePublished": "2026-07-08T19:32:38.089Z",
        "dateUpdated": "2026-07-09T14:41:23.436Z"
    },
    "containers": {
        "cna": {
            "title": "Composer: Path traversal in package bin field lets dependencies chmod arbitrary host files",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-22",
                            "lang": "en",
                            "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-732",
                            "lang": "en",
                            "description": "CWE-732: Incorrect Permission Assignment for Critical Resource",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.1,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/composer/composer/security/advisories/GHSA-gjfg-22fp-rrxx",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/composer/composer/security/advisories/GHSA-gjfg-22fp-rrxx"
                },
                {
                    "name": "https://github.com/composer/composer/commit/502c6c4f699802d9cf464728b3e8a95674f919a0",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/composer/composer/commit/502c6c4f699802d9cf464728b3e8a95674f919a0"
                },
                {
                    "name": "https://github.com/composer/composer/commit/c50b1efd13ebd73f6dca19b31424c5a02bf93cc1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/composer/composer/commit/c50b1efd13ebd73f6dca19b31424c5a02bf93cc1"
                },
                {
                    "name": "https://github.com/composer/composer/releases/tag/2.10.2",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/composer/composer/releases/tag/2.10.2"
                },
                {
                    "name": "https://github.com/composer/composer/releases/tag/2.2.29",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/composer/composer/releases/tag/2.2.29"
                }
            ],
            "affected": [
                {
                    "vendor": "composer",
                    "product": "composer",
                    "versions": [
                        {
                            "version": ">= 1.0, < 2.2.29",
                            "status": "affected"
                        },
                        {
                            "version": ">= 2.3.0, < 2.10.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-07-08T19:32:38.089Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer's binary installation flow to chmod an existing host file to a world-readable and world-executable mode during composer install, update, or require. This issue is fixed in versions 2.2.29 and 2.10.2."
                }
            ],
            "source": {
                "advisory": "GHSA-gjfg-22fp-rrxx",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-09T14:21:07.902689Z",
                                "id": "CVE-2026-59946",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "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": "2026-07-09T14:41:23.436Z"
                }
            }
        ]
    }
}