{"id":"GHSA-93c7-7xqw-w357","summary":"Pingora has a Request Smuggling Vulnerability","details":"A request smuggling vulnerability identified within Pingora’s proxying framework, pingora-proxy, allows malicious HTTP requests to be injected via manipulated request bodies on cache HITs, leading to unauthorized request execution and potential cache poisoning.\n\n### Fixed in\nhttps://github.com/cloudflare/pingora/commit/fda3317ec822678564d641e7cf1c9b77ee3759ff \n\n### Impact\nThe issue could lead to request smuggling in cases where Pingora’s proxying framework, pingora-proxy, is used for caching allowing an attacker to manipulate headers and URLs in subsequent requests made on the same HTTP/1.1 connection.","aliases":["CVE-2025-4366","RUSTSEC-2025-0037"],"modified":"2025-06-20T18:42:06.854880Z","published":"2025-06-20T18:07:47Z","database_specific":{"github_reviewed_at":"2025-06-20T18:07:47Z","nvd_published_at":null,"cwe_ids":["CWE-444"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/cloudflare/pingora/security/advisories/GHSA-93c7-7xqw-w357"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4366"},{"type":"WEB","url":"https://github.com/cloudflare/pingora/commit/fda3317ec822678564d641e7cf1c9b77ee3759ff"},{"type":"WEB","url":"https://blog.cloudflare.com/resolving-a-request-smuggling-vulnerability-in-pingora"},{"type":"PACKAGE","url":"https://github.com/cloudflare/pingora"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2025-0037.html"}],"affected":[{"package":{"name":"pingora-core","ecosystem":"crates.io","purl":"pkg:cargo/pingora-core"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.5.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-93c7-7xqw-w357/GHSA-93c7-7xqw-w357.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N"}]}