{"id":"CVE-2026-125110","published":"2026-11-09T22:18:42.287","lastModified":"2026-11-09T22:18:42.287","description":"Rack is a modular Ruby web server interface. Prior to 2.2.25, 3.1.23, and 3.2.8, Rack::Static serves a path after Utils.clean_path_info normalization but evaluates header_rules against a path that is only URL-decoded. An unauthenticated attacker can request a known file through raw or percent-encoded dot segments and receive it without path-specific security headers such as Content-Disposition or Content-Security-Policy. Applications that do not use path-specific header_rules are not affected. This issue is fixed in versions 2.2.25, 3.1.23, and 3.2.8.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-180"],"vendors":[],"products":[],"references":[{"url":"https://github.com/rack/rack/commit/18a07fe553afb4d8a678d6a948cd6ba1e11e28be","tags":[]},{"url":"https://github.com/rack/rack/commit/9d7f19484ffd5ed5e032678c26ee6eff96d3a0a3","tags":[]},{"url":"https://github.com/rack/rack/commit/e88097ccb88be44d06d47b42daffe04929516ee4","tags":[]},{"url":"https://github.com/rack/rack/security/advisories/GHSA-wvg4-6p58-3gh3","tags":[]}],"exploitRefs":[{"url":"https://github.com/rack/rack/commit/18a07fe553afb4d8a678d6a948cd6ba1e11e28be","tags":[]},{"url":"https://github.com/rack/rack/commit/9d7f19484ffd5ed5e032678c26ee6eff96d3a0a3","tags":[]},{"url":"https://github.com/rack/rack/commit/e88097ccb88be44d06d47b42daffe04929516ee4","tags":[]},{"url":"https://github.com/rack/rack/security/advisories/GHSA-wvg4-6p58-3gh3","tags":[]}],"hasPoc":true,"ai":null}