{"id":"CVE-2026-114105","state":"PUBLISHED","title":"Adm-zip before 0.6.1 Privilege Escalation via keepOriginalPermission Setuid Bits","description":"Adm-zip before 0.6.1 contains an incorrect permission assignment vulnerability that allows attackers to set setuid, setgid, or sticky bits on extracted files when keepOriginalPermission is enabled. Attackers can craft zip external file attributes that pass unmasked into chmod, letting attacker-controlled executables gain elevated privileges when extracted as root and later run.","publishedAt":"2026-10-21T00:37:06.018Z","updatedAt":"2026-10-21T15:49:32.206Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["cthackers adm-zip"],"affected":[{"vendor":"cthackers","product":"adm-zip","packageURL":"pkg:npm/adm-zip","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.6.1","versionType":"semver"},{"version":"0.6.1","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/cthackers/adm-zip/security/advisories/GHSA-qjf8-53jv-w9w6","https://www.vulncheck.com/advisories/adm-zip-before-0.6.1-privilege-escalation-via-keeporiginalpermission-setuid-bits"],"weaknesses":["CWE-732"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/114xxx/CVE-2026-114105.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-114105","state":"PUBLISHED","datePublished":"2026-10-21T00:37:06.018Z","dateUpdated":"2026-10-21T15:49:32.206Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-20T21:47:43.313Z"},"containers":{"cna":{"title":"Adm-zip before 0.6.1 Privilege Escalation via keepOriginalPermission Setuid Bits","descriptions":[{"lang":"en","value":"Adm-zip before 0.6.1 contains an incorrect permission assignment vulnerability that allows attackers to set setuid, setgid, or sticky bits on extracted files when keepOriginalPermission is enabled. Attackers can craft zip external file attributes that pass unmasked into chmod, letting attacker-controlled executables gain elevated privileges when extracted as root and later run."}],"affected":[{"vendor":"cthackers","product":"adm-zip","packageURL":"pkg:npm/adm-zip","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.6.1","versionType":"semver"},{"version":"0.6.1","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/cthackers/adm-zip/security/advisories/GHSA-qjf8-53jv-w9w6","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-qjf8-53jv-w9w6)"},{"url":"https://www.vulncheck.com/advisories/adm-zip-before-0.6.1-privilege-escalation-via-keeporiginalpermission-setuid-bits","name":"VulnCheck Advisory: Adm-zip before 0.6.1 Privilege Escalation via keepOriginalPermission Setuid Bits","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":6.2,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-732","lang":"en","description":"Incorrect Permission Assignment for Critical Resource","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-21T00:37:06.018Z"},"datePublic":"2026-09-11T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:adm-zip_project:adm-zip:*:*:*:*:*:*:*:*","versionEndExcluding":"0.6.1"}]}]}],"credits":[{"lang":"en","value":"KovachVL","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-21T14:59:58.133764Z","id":"CVE-2026-114105","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-21T15:49:32.206Z"}}]}}}