{"id":"CVE-2026-114103","state":"PUBLISHED","title":"adm-zip 0.6.0 Decompression Bomb Guard Bypass via getDataAsync()","description":"adm-zip 0.6.0 contains a decompression bomb protection bypass that allows attackers to evade the maxOutputLength guard by targeting the asynchronous getDataAsync() path in methods/inflater.js. Attackers can craft ZIP entries with falsified small declared sizes and high-ratio DEFLATE payloads to exhaust memory in applications reading entries asynchronously.","publishedAt":"2026-10-21T00:37:04.594Z","updatedAt":"2026-10-27T21:54:59.911Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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":"0.6.0","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-c6fg-446q-cg94","https://www.vulncheck.com/advisories/adm-zip-0.6.0-decompression-bomb-guard-bypass-via-getdataasync"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/114xxx/CVE-2026-114103.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-114103","state":"PUBLISHED","datePublished":"2026-10-21T00:37:04.594Z","dateUpdated":"2026-10-27T21:54:59.911Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-20T21:47:43.313Z"},"containers":{"cna":{"title":"adm-zip 0.6.0 Decompression Bomb Guard Bypass via getDataAsync()","descriptions":[{"lang":"en","value":"adm-zip 0.6.0 contains a decompression bomb protection bypass that allows attackers to evade the maxOutputLength guard by targeting the asynchronous getDataAsync() path in methods/inflater.js. Attackers can craft ZIP entries with falsified small declared sizes and high-ratio DEFLATE payloads to exhaust memory in applications reading entries asynchronously."}],"affected":[{"vendor":"cthackers","product":"adm-zip","packageURL":"pkg:npm/adm-zip","defaultStatus":"unaffected","versions":[{"version":"0.6.0","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-c6fg-446q-cg94","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-c6fg-446q-cg94)"},{"url":"https://www.vulncheck.com/advisories/adm-zip-0.6.0-decompression-bomb-guard-bypass-via-getdataasync","name":"VulnCheck Advisory: adm-zip 0.6.0 Decompression Bomb Guard Bypass via getDataAsync()","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"Uncontrolled Resource Consumption","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-21T00:37:04.594Z"},"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:*:*:*:*:*:*:*:*","versionStartIncluding":"0.6.0","versionEndExcluding":"0.6.1"}]}]}],"credits":[{"lang":"en","value":"zikk090","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/cthackers/adm-zip/security/advisories/GHSA-c6fg-446q-cg94","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-27T21:54:35.654847Z","id":"CVE-2026-114103","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-27T21:54:59.911Z"}}]}}}