{"id":"CVE-2026-56876","sourceIdentifier":"9119a7d8-5eab-497f-8521-727c672e3725","published":"2026-06-26T18:17:03.447","lastModified":"2026-07-06T13:25:43.253","vulnStatus":"Analyzed","cveTags":[{"sourceIdentifier":"9119a7d8-5eab-497f-8521-727c672e3725","tags":["unsupported-when-assigned"]}],"descriptions":[{"lang":"en","value":"extract-zip does not validate symlink targets when extracting zip archives. When processing a malicious zip file containing a symlink with a relative path like '../../../../etc/passwd', extract-zip will extract the symlink without validation, allowing it to point outside the extraction directory. Depending on how extract-zip is used, an attacker could read or write to arbitrary files."}],"affected":[{"source":"9119a7d8-5eab-497f-8521-727c672e3725","affectedData":[{"vendor":"max-mapper","product":"extract-zip","defaultStatus":"affected","versions":[{"version":"0","lessThan":"*","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"9119a7d8-5eab-497f-8521-727c672e3725","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/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","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"9119a7d8-5eab-497f-8521-727c672e3725","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":5.2}],"ssvcV203":[{"source":"9119a7d8-5eab-497f-8521-727c672e3725","ssvcData":{"timestamp":"2026-06-23T15:08:40.844368Z","id":"CVE-2026-56876","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-30T19:58:59.934746Z","id":"CVE-2026-56876","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"9119a7d8-5eab-497f-8521-727c672e3725","type":"Secondary","description":[{"lang":"en","value":"CWE-22"},{"lang":"en","value":"CWE-61"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:max-mapper:extract-zip:*:*:*:*:*:node.js:*:*","versionEndIncluding":"2.0.1","matchCriteriaId":"F89CEAB5-8D4C-49C7-A896-9E45870F5293"}]}]}],"references":[{"url":"https://github.com/ziad626/extract-zip-security-research/security/advisories/GHSA-x7jf-2287-qcpf","source":"9119a7d8-5eab-497f-8521-727c672e3725","tags":["Exploit","Third Party Advisory"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-177-01.json","source":"9119a7d8-5eab-497f-8521-727c672e3725","tags":["Third Party Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-56876","source":"9119a7d8-5eab-497f-8521-727c672e3725","tags":["Third Party Advisory"]}]}