CVE-2026-42497

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"https://github.com/jib/archive-tar-new/commit/17c873492a05eddc0de18c1485e0b2cccd5a9158.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/BINGOS/Archive-Tar-3.08/changes"}, {"tags": ["related"], "url": "https://www.cve.org/CVERecord?id=CVE-2026-42496"}], "solutions": [{"lang": "en", "value": "Upgrade to Archive::Tar 3.08 or later."}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2026-04-12T00:00:00.000Z", "value": "Issue reported."}, {"lang": "en", "time": "2026-05-10T00:00:00.000Z", "value": "Version 3.06 released, disabling hardlink extraction by default."}, {"lang": "en", "time": "2026-05-22T00:00:00.000Z", "value": "Version 3.08 released."}], "title": "Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, 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"versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)", "versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)", "versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)", "versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)", "versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}]}]}}

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"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)", "versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "x_adpType": "supplier", "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}], "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-11-10T12:45:57.627Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-42497", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-28T13:13:55.750345Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-28T13:13:20.004Z"}}], "cna": {"title": "Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory", "source": {"discovery": "UNKNOWN"}, "affected": [{"repo": "https://github.com/jib/archive-tar-new", "vendor": "BINGOS", "product": "Archive::Tar", "versions": [{"status": "affected", "version": "0", "lessThan": "3.08", "versionType": "custom"}], "packageName": "Archive-Tar", "programFiles": ["lib/Archive/Tar.pm"], "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "programRoutines": [{"name": "Archive::Tar::_make_special_file"}, {"name": "Archive::Tar::_extract_file"}]}], "timeline": [{"lang": "en", "time": "2026-04-12T00:00:00.000Z", "value": "Issue reported."}, {"lang": "en", "time": "2026-05-10T00:00:00.000Z", "value": "Version 3.06 released, disabling hardlink extraction by default."}, {"lang": "en", "time": "2026-05-22T00:00:00.000Z", "value": "Version 3.08 released."}], "solutions": [{"lang": "en", "value": "Upgrade to Archive::Tar 3.08 or later."}], "references": [{"url": "https://github.com/jib/archive-tar-new/commit/17c873492a05eddc0de18c1485e0b2cccd5a9158.patch", "tags": ["patch"]}, {"url": "https://metacpan.org/release/BINGOS/Archive-Tar-3.08/changes", "tags": ["release-notes"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2026-42496", "tags": ["related"]}], "x_generator": {"engine": "cpansec-cna-tool 0.1"}, "descriptions": [{"lang": "en", "value": "Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory.\n\n_make_special_file() passes the tar header's linkname to link() without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode.\n\nA subsequent write through the extracted name modifies the victim file, and the post-extraction chmod, chown, and utime block in _extract_file() (guarded only against symlinks via -l) applies the tar header's mode, owner, and timestamps to the shared inode during extraction alone."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-59", "description": "CWE-59 Improper Link Resolution Before File Access ('Link Following')"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-732", "description": "CWE-732 Incorrect Permission Assignment for Critical Resource"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-05-26T00:17:50.656Z"}}}, "cveMetadata": {"cveId": "CVE-2026-42497", "state": "PUBLISHED", "dateUpdated": "2026-11-10T12:45:57.627Z", "dateReserved": "2026-04-27T18:34:48.417Z", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "datePublished": "2026-05-26T00:17:50.656Z", "assignerShortName": "CPANSec"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Archive-Tar", "product": "Archive::Tar", "programFiles": ["lib/Archive/Tar.pm"], "programRoutines": [{"name": "Archive::Tar::_make_special_file"}, {"name": "Archive::Tar::_extract_file"}], "repo": "https://github.com/jib/archive-tar-new", "vendor": "BINGOS", "versions": [{"lessThan": "3.08", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.7", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.7", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.7", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.7", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "V3.1.7", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:archive\\:\\:tar_project:archive\\:\\:tar:*:*:*:*:*:perl:*:*", "matchCriteriaId": "CE0EEC28-8DB1-42B8-9D87-5E9AA5D1C168", "versionEndExcluding": "3.08", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory.\n\n_make_special_file() passes the tar header's linkname to link() without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode.\n\nA subsequent write through the extracted name modifies the victim file, and the post-extraction chmod, chown, and utime block in _extract_file() (guarded only against symlinks via -l) applies the tar header's mode, owner, and timestamps to the shared inode during extraction alone."}, {"lang": "es", "value": "Las versiones de Archive::Tar anteriores a la 3.08 para Perl extraen enlaces duros a rutas controladas por el atacante fuera del directorio de extracci\u00f3n.\n\n_make_special_file() pasa el linkname del encabezado tar a link() sin validarlo contra rutas absolutas o segmentos '..', creando un enlace duro que comparte el inodo del archivo v\u00edctima.\n\nUna escritura posterior a trav\u00e9s del nombre extra\u00eddo modifica el archivo v\u00edctima, y el bloque chmod, chown y utime posterior a la extracci\u00f3n en _extract_file() (protegido solo contra enlaces simb\u00f3licos a trav\u00e9s de -l) aplica el modo, propietario y marcas de tiempo del encabezado tar al inodo compartido solo durante la extracci\u00f3n."}], "id": "CVE-2026-42497", "lastModified": "2026-11-10T13:19:07.687", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": 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{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Release Notes"], "url": "https://metacpan.org/release/BINGOS/Archive-Tar-3.08/changes"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Third Party Advisory"], "url": "https://www.cve.org/CVERecord?id=CVE-2026-42496"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}, {"lang": "en", "value": "CWE-732"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.08)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Archive::Tar", "source": "cna", "vendor": "BINGOS"}, "product": "archive::tar", "vendor": "bingos"}], "created": "2026-05-26T02:30:26.399963+00:00", "updated": "2026-05-27T21:45:43.177411+00:00", "vendors": ["bingos", "bingos$PRODUCT$archive::tar"]}