{"dataType": "CVE_RECORD", "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": {"cna": {"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"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "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/[email protected]/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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T19:08:36.192Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/07/29/7"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-29T20:21:34.281Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/07/29/7"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-29T20:21:34.281Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-13346", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-29T19:08:27.143201Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T19:08:32.007Z"}}], "cna": {"title": "pip absolute path traversal during download from malicious package indexes", "source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.6, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/pypa/pip", "vendor": "Python Packaging Authority", "product": "pip", "versions": [{"status": "affected", "version": "0", "lessThan": "26.2", "versionType": "python"}], "collectionURL": "https://pypi.org/project/pip", "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/pypa/pip/pull/14110", "tags": ["patch"]}, {"url": "https://mail.python.org/archives/list/[email protected]/thread/L2BNQGGVQCEV7DROOORQ7WFKKFF2OOQX/", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 0.6.0"}, "descriptions": [{"lang": "en", "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.", "supportingMedia": [{"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>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-36", "description": "CWE-36 Absolute path traversal"}]}], "providerMetadata": {"orgId": "28c92f92-d60d-412d-b760-e73465c3df22", "shortName": "PSF", "dateUpdated": "2026-07-29T18:36:26.726Z"}}}, "cveMetadata": {"cveId": "CVE-2026-13346", "state": "PUBLISHED", "dateUpdated": "2026-07-29T20:21:34.281Z", "dateReserved": "2026-06-25T14:15:08.834Z", "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22", "datePublished": "2026-07-29T18:33:50.820Z", "assignerShortName": "PSF"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"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"}]}], "source": "[email protected]"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pypa:pip:*:*:*:*:*:*:*:*", "matchCriteriaId": "CE28D586-A850-47BB-9629-2C6B1069A090", "versionEndExcluding": "26.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-13346", "lastModified": "2026-08-20T13:17:44.277", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13346", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-29T19:08:27.143201Z", "version": "2.0.3"}}]}, "published": "2026-07-29T19:16:44.267", "references": [{"source": "[email protected]", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/pypa/pip/pull/14110"}, {"source": "[email protected]", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://mail.python.org/archives/list/[email protected]/thread/L2BNQGGVQCEV7DROOORQ7WFKKFF2OOQX/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/07/29/7"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-36"}], "source": "[email protected]", "type": "Secondary"}]}

{"bugzilla": {"description": "pip: pip: Arbitrary file installation via malicious package indexes", "id": "2508514", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2508514"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L", "status": "draft"}, "cwe": "CWE-22", "details": ["A flaw was found in pip. When processing doubly-encoded package URLs from malicious package indexes, pip incorrectly handles the file paths. A remote attacker could exploit this by convincing a user to download or install a package from such an index. This could allow for files to be installed to arbitrary locations on the system, potentially leading to system compromise. This vulnerability primarily affects users utilizing the `pip download` command with the `--only-binary` option."], "name": "CVE-2026-13346", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "python-pip", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "python-pip", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "python-pip", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "python-pip", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "python-pip", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-07-29T18:33:50Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-13346\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-13346\nhttps://github.com/pypa/pip/pull/14110\nhttps://mail.python.org/archives/list/[email protected]/thread/L2BNQGGVQCEV7DROOORQ7WFKKFF2OOQX/"], "statement": "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.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.2)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "pip", "source": "cna", "vendor": "Python Packaging Authority"}, "product": "pip", "vendor": "pypa"}], "created": "2026-07-29T20:30:03.374288+00:00", "updated": "2026-08-03T13:15:05.179104+00:00", "vendors": ["pypa", "pypa$PRODUCT$pip"]}