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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-13346",
        "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "state": "PUBLISHED",
        "assignerShortName": "PSF",
        "dateReserved": "2026-06-25T14:15:08.834Z",
        "datePublished": "2026-07-29T18:33:50.820Z",
        "dateUpdated": "2026-07-29T20:21:34.281Z"
    },
    "containers": {
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            "affected": [
                {
                    "collectionURL": "https://pypi.org/project/pip",
                    "defaultStatus": "unaffected",
                    "product": "pip",
                    "repo": "https://github.com/pypa/pip",
                    "vendor": "Python Packaging Authority",
                    "versions": [
                        {
                            "lessThan": "26.2",
                            "status": "affected",
                            "version": "0",
                            "versionType": "python"
                        }
                    ]
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
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                            "base64": false,
                            "type": "text/html",
                            "value": "<div>pip would incorrectly handle doubly-encoded package URLs from indexes allowing for files to be installed to arbitrary locations on disk even when installing wheels.</div><div><br></div><div>This vulnerability requires downloading or installing a package from a malicious package index to succeed, malicious packages alone are not able to exploit this vulnerability. Note that this vulnerability only materially impacts users running `pip download` with the `--only-binary` option as installing source distributions from an untrusted index is already an unsafe operation that executes code during install time.</div>"
                        }
                    ],
                    "value": "pip would incorrectly handle doubly-encoded package URLs from indexes allowing for files to be installed to arbitrary locations on disk even when installing wheels.\n\n\n\n\nThis vulnerability requires downloading or installing a package from a malicious package index to succeed, malicious packages alone are not able to exploit this vulnerability. Note that this vulnerability only materially impacts users running `pip download` with the `--only-binary` option as installing source distributions from an untrusted index is already an unsafe operation that executes code during install time."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "attackVector": "NETWORK",
                        "baseScore": 5.6,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "HIGH",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "ACTIVE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
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                    "scenarios": [
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                            "lang": "en",
                            "value": "GENERAL"
                        }
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                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-36",
                            "description": "CWE-36 Absolute path traversal",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
                "shortName": "PSF",
                "dateUpdated": "2026-07-29T18:36:26.726Z"
            },
            "references": [
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/pypa/pip/pull/14110"
                },
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/L2BNQGGVQCEV7DROOORQ7WFKKFF2OOQX/"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "pip absolute path traversal during download from malicious package indexes",
            "x_generator": {
                "engine": "Vulnogram 0.6.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-29T19:08:27.143201Z",
                                "id": "CVE-2026-13346",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-29T19:08:36.192Z"
                }
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            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/07/29/7"
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                "providerMetadata": {
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