{"id":"CVE-2026-61639","state":"PUBLISHED","title":"Wallos: Zip Slip path traversal in database restore writes files to webroot","description":"Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.6, POST /endpoints/db/restore.php calls ZipArchive::extractTo() without validating entry names for ../ sequences. Admin uploads crafted zip with entry logos/../../endpoints/shell.php to write webshell to webroot. Extension filter only applies to post-extraction logo copy step. This issue has been patched in version 4.9.6.","publishedAt":"2026-08-31T20:44:05.909Z","updatedAt":"2026-09-01T14:39:58.852Z","severity":{"score":8.5,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["ellite Wallos"],"affected":[{"vendor":"ellite","product":"Wallos","versions":[{"version":"< 4.9.6","status":"affected"}]}],"references":["https://github.com/ellite/Wallos/security/advisories/GHSA-3vg2-cxpg-m43g","https://github.com/ellite/Wallos/pull/1092","https://github.com/ellite/Wallos/commit/b75f13d0ffa3ed7e77e8e79e4b9fd3fc528c98d3","https://github.com/ellite/Wallos/releases/tag/v4.9.6"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/61xxx/CVE-2026-61639.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-61639","state":"PUBLISHED","datePublished":"2026-08-31T20:44:05.909Z","dateUpdated":"2026-09-01T14:39:58.852Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-10T17:38:57.111Z"},"containers":{"cna":{"title":"Wallos: Zip Slip path traversal in database restore writes files to webroot","descriptions":[{"lang":"en","value":"Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.6, POST /endpoints/db/restore.php calls ZipArchive::extractTo() without validating entry names for ../ sequences. Admin uploads crafted zip with entry logos/../../endpoints/shell.php to write webshell to webroot. Extension filter only applies to post-extraction logo copy step. This issue has been patched in version 4.9.6."}],"affected":[{"vendor":"ellite","product":"Wallos","versions":[{"version":"< 4.9.6","status":"affected"}]}],"references":[{"url":"https://github.com/ellite/Wallos/security/advisories/GHSA-3vg2-cxpg-m43g","name":"https://github.com/ellite/Wallos/security/advisories/GHSA-3vg2-cxpg-m43g","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ellite/Wallos/pull/1092","name":"https://github.com/ellite/Wallos/pull/1092","tags":["x_refsource_MISC"]},{"url":"https://github.com/ellite/Wallos/commit/b75f13d0ffa3ed7e77e8e79e4b9fd3fc528c98d3","name":"https://github.com/ellite/Wallos/commit/b75f13d0ffa3ed7e77e8e79e4b9fd3fc528c98d3","tags":["x_refsource_MISC"]},{"url":"https://github.com/ellite/Wallos/releases/tag/v4.9.6","name":"https://github.com/ellite/Wallos/releases/tag/v4.9.6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-31T20:44:05.909Z"},"source":{"advisory":"GHSA-3vg2-cxpg-m43g","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-01T14:39:16.997057Z","id":"CVE-2026-61639","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-01T14:39:58.852Z"}}]}}}