{"id":"CVE-2026-78638","state":"PUBLISHED","title":"peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal","description":"A flaw has been found in peerigon unzip-crx and unzip-crx-3 up to 0.2.0. This affects the function unzip of the file dist/index.js of the component Archive Extraction. Executing a manipulation of the argument destination can lead to path traversal. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.","publishedAt":"2026-08-25T05:30:08.899Z","updatedAt":"2026-08-27T14:36:08.272Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["peerigon unzip-crx","peerigon unzip-crx-3"],"affected":[{"vendor":"peerigon","product":"unzip-crx","versions":[{"version":"0.1","status":"affected"},{"version":"0.2.0","status":"affected"}],"cpes":["cpe:2.3:a:peerigon:unzip-crx:*:*:*:*:*:*:*:*"],"modules":["Archive Extraction"]},{"vendor":"peerigon","product":"unzip-crx-3","versions":[{"version":"0.1","status":"affected"},{"version":"0.2.0","status":"affected"}],"cpes":["cpe:2.3:a:peerigon:unzip-crx-3:*:*:*:*:*:*:*:*"],"modules":["Archive Extraction"]}],"references":["https://vuldb.com/vuln/394865","https://vuldb.com/vuln/394865/cti","https://vuldb.com/cve/CVE-2026-78638","https://vuldb.com/submit/886400","https://github.com/peerigon/unzip-crx/issues/19","https://github.com/peerigon/unzip-crx/"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/78xxx/CVE-2026-78638.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78638","state":"PUBLISHED","datePublished":"2026-08-25T05:30:08.899Z","dateUpdated":"2026-08-27T14:36:08.272Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-24T23:03:20.154Z"},"containers":{"cna":{"title":"peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal","descriptions":[{"lang":"en","value":"A flaw has been found in peerigon unzip-crx and unzip-crx-3 up to 0.2.0. This affects the function unzip of the file dist/index.js of the component Archive Extraction. Executing a manipulation of the argument destination can lead to path traversal. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet."}],"affected":[{"vendor":"peerigon","product":"unzip-crx","versions":[{"version":"0.1","status":"affected"},{"version":"0.2.0","status":"affected"}],"cpes":["cpe:2.3:a:peerigon:unzip-crx:*:*:*:*:*:*:*:*"],"modules":["Archive Extraction"]},{"vendor":"peerigon","product":"unzip-crx-3","versions":[{"version":"0.1","status":"affected"},{"version":"0.2.0","status":"affected"}],"cpes":["cpe:2.3:a:peerigon:unzip-crx-3:*:*:*:*:*:*:*:*"],"modules":["Archive Extraction"]}],"references":[{"url":"https://vuldb.com/vuln/394865","name":"VDB-394865 | peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/394865/cti","name":"VDB-394865 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-78638","name":"CVE-2026-78638 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/886400","name":"Submit #886400 | peerigon / unzip-crx-3 (open source, unmaintained) unzip-crx-3 (npm) CRX/ZIP extraction library <=0.2.0 Path Traversal","tags":["third-party-advisory"]},{"url":"https://github.com/peerigon/unzip-crx/issues/19","tags":["exploit","issue-tracking"]},{"url":"https://github.com/peerigon/unzip-crx/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":3.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":3.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","type":"CWE","lang":"en","description":"Path Traversal"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-08-25T05:30:08.899Z"},"timeline":[{"time":"2026-08-24T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-25T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-25T01:08:26.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Classif1ed_mick (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T13:28:09.464723Z","id":"CVE-2026-78638","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-27T14:36:08.272Z"}}]}}}