{"id":"CVE-2026-35393","aliases":["GHSA-jg56-wf8x-qrv5","GO-2026-5468"],"url":"https://o3.security/vulnerability/CVE-2026-35393","summary":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in goshs POST multipart upload","details":"goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, the POST multipart upload directory not sanitized. This vulnerability is fixed in 2.0.0-beta.3.","published":"2026-04-06T20:50:25.216Z","modified":"2026-07-31T18:30:16.759715144Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/patrickhener/goshs","fixedVersion":"1.1.5-0.20260401172448-237f3af891a9"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35393.json"},{"type":"ADVISORY","url":"https://github.com/patrickhener/goshs/security/advisories/GHSA-jg56-wf8x-qrv5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35393"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-31T18:30:16.759715144Z"}}