{"id":"CVE-2026-116137","aliases":[],"cve":{"records":[{"id":"CVE-2026-116137","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-25T11:15:17.810Z","published":"2026-10-25T11:51:01.980Z","modified":"2026-10-29T16:09:24.168Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-25T11:51:01.980Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T16:09:24.168Z"}],"references":[{"url":"https://github.com/cthackers/adm-zip/issues/587","tags":["issue-tracking"],"source":"VulnCheck"},{"url":"https://github.com/cthackers/adm-zip","tags":["product"],"source":"VulnCheck"},{"url":"https://github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db426e2de1997cb41194d9872/zipFile.js#L81-L92","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db426e2de1997cb41194d9872/adm-zip.js#L87","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db426e2de1997cb41194d9872/util/utils.js#L383","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/adm-zip-through-0.6.1-duplicate-entry-validation-bypass-via-canonically-equivalent-names","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-436","description":"Interpretation Conflict","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:adm-zip_project:adm-zip:*:*:*:*:*:*:*:*","versionEndIncluding":"0.6.1"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T16:09:12.519031Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"adm-zip through 0.6.1 Duplicate-Entry Validation Bypass via Canonically Equivalent Names","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"adm-zip through 0.6.1 contains a duplicate-entry validation bypass that allows attackers to evade the readEntries() check by using canonically equivalent entry names like './hello.txt' and 'hello.txt'. Attackers can craft ZIP archives where getEntry() or readAsText() validates benign content while extractAllTo() writes malicious content to the same path, bypassing integrity checks.","score":6.3,"severity":"medium","published":"2026-10-25T11:51:01.980Z","modified":"2026-10-29T16:09:24.168Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"cthackers","name":"adm-zip","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.6.1","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/adm-zip","packageIdentity":{"ecosystem":"npm","name":"adm-zip"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-116137"}],"remediation":[],"references":["https://github.com/cthackers/adm-zip/issues/587","https://github.com/cthackers/adm-zip","https://github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db426e2de1997cb41194d9872/zipFile.js#L81-L92","https://github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db426e2de1997cb41194d9872/adm-zip.js#L87","https://github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db426e2de1997cb41194d9872/util/utils.js#L383","https://www.vulncheck.com/advisories/adm-zip-through-0.6.1-duplicate-entry-validation-bypass-via-canonically-equivalent-names"],"sources":[{"name":"CVE","id":"CVE-2026-116137","modified":"2026-10-29T16:09:24.168Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116137"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","score":3.7}],"sourceAffected":[],"observedAt":"2026-10-29T17:05:11.863Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T02:55:33.139Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T11:35:39.615Z","attemptedAt":"2026-10-30T11:35:39.615Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T11:35:39.573Z","attemptedAt":"2026-10-30T11:35:39.573Z"},{"source":"EUVD","status":"refresh-failed","attemptedAt":"2026-10-30T11:35:34.548Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T11:35:36.653Z","attemptedAt":"2026-10-30T11:35:36.653Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-116137","url":"https://www.first.org/epss/","probability":0.00258,"percentile":0.175,"date":"2026-10-29","checkedAt":"2026-10-30T11:35:36.653Z"},{"source":"GitHub Advisory Database","id":"GHSA-mv5w-h6hm-qcp7","url":"https://github.com/advisories/GHSA-mv5w-h6hm-qcp7","modified":"2026-10-25T12:30:26Z","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","checkedAt":"2026-10-30T11:35:39.573Z"},{"source":"NVD","id":"CVE-2026-116137","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116137","modified":"2026-10-29T17:18:03.210","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/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","checkedAt":"2026-10-30T11:35:39.615Z"},{"source":"NVD","id":"CVE-2026-116137","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116137","modified":"2026-10-29T17:18:03.210","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","checkedAt":"2026-10-30T11:35:39.615Z"}],"aiSummary":{"text":"adm-zip through 0.6.1 has a duplicate-entry validation bypass, allowing attackers to evade checks using canonically equivalent entry names, potentially writing malicious content. Attackers need to craft ZIP archives with specific names. The impact is unclear.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:59:48.679Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-116137"}]}}