{"id":"CVE-2026-44373","revision":"f5dd4a0e1ecd43c3a3273ffb02cde543","records":[{"revision":"f5dd4a0e1ecd43c3a3273ffb02cde543","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-44373","aliases":[],"title":"Nitro: Proxy scope bypass via percent-encoded path traversal in `routeRules`","description":"Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could bypass a proxy route rule by sending percent-encoded path traversal (..%2f) in the URL, causing Nitro to forward a request that the upstream resolved outside the configured scope. This vulnerability is fixed in 3.0.260429-beta.","state":0,"publishedAt":"2026-05-13T20:26:28.255+00:00","modifiedAt":"2026-05-14T13:16:50.542+00:00","affected":[{"ecosystem":"Vendor product","name":"nitro","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"nitrojs\",\n                    \"product\": \"nitro\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 3.0.260429-beta\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"nitropack","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"nitrojs\",\n                    \"product\": \"nitropack\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.13.4\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/nitrojs/nitro/security/advisories/GHSA-5w89-w975-hf9q","https://github.com/nitrojs/nitro/pull/4222","https://github.com/nitrojs/nitro/pull/4223","https://github.com/nitrojs/nitro/releases/tag/v2.13.4","https://github.com/nitrojs/nitro/releases/tag/v3.0.260429-beta"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-44373","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-44373","identifiers":["CVE-2026-44373"]},"retained":false,"historicalAffected":[]}],"coverage":[]}