{"id":"CVE-2026-90774","revision":"44d9e2774e27405ea2f64692a9cc889b","records":[{"revision":"44d9e2774e27405ea2f64692a9cc889b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90774","aliases":[],"title":"rustypaste before 0.18.1 Path Traversal via filename header","description":"rustypaste before 0.18.1 validates the destination path before applying the optional custom filename HTTP header, allowing attackers to bypass directory-escape checks. Attackers can supply path traversal sequences in the filename header to write files outside the configured upload directory to arbitrary locations.","state":0,"publishedAt":"2026-09-13T10:45:44.589+00:00","modifiedAt":"2026-09-24T14:21:55.235+00:00","affected":[{"ecosystem":"Vendor product","name":"rustypaste","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"orhun\",\n                    \"product\": \"rustypaste\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:cargo/rustypaste\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"0.18.1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5,"severity":"HIGH"}],"references":["https://github.com/orhun/rustypaste/issues/622","https://github.com/orhun/rustypaste","https://github.com/orhun/rustypaste/blob/v0.18.0/src/paste.rs","https://github.com/orhun/rustypaste/commit/ac05d552596af4a8429d80f30d11f67117ce02c8","https://www.vulncheck.com/advisories/rustypaste-before-0.18.1-path-traversal-via-filename-header"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90774","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90774","identifiers":["CVE-2026-90774"]},"retained":false,"historicalAffected":[]}],"coverage":[]}