{"action":"Upgrade nitropack to 2.13.4 or later.","affected":[{"fixed":"2.13.4","introduced":"0"}],"component":"nitropack","cve_ids":["CVE-2026-44373"],"ecosystem":"npm","epss":0.00453,"exploited":false,"fixed_versions":["2.13.4"],"ghsa_id":"GHSA-5w89-w975-hf9q","id":"tcs_01M5KF4W1KZQSKH3EKA4HDQYN0","modified_at":"2026-05-14T20:48:31.940118Z","published_at":"2026-05-06T23:01:27Z","references":["https://osv.dev/vulnerability/GHSA-5w89-w975-hf9q","https://github.com/nitrojs/nitro/security/advisories/GHSA-5w89-w975-hf9q","https://nvd.nist.gov/vuln/detail/CVE-2026-44373","https://github.com/nitrojs/nitro/pull/4222","https://github.com/nitrojs/nitro/pull/4223","https://github.com/nitrojs/nitro","https://github.com/nitrojs/nitro/releases/tag/v2.13.4","https://github.com/nitrojs/nitro/releases/tag/v3.0.260429-beta"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-5w89-w975-hf9q#npm/nitropack","url":"https://osv.dev/vulnerability/GHSA-5w89-w975-hf9q"}],"summary":"Nitro has a proxy scope bypass via percent-encoded path traversal in `routeRules`"}