{"schema_version": "1.6.1", "id": "CVE-2025-55702", "summary": "An unread Expect: 100-continue request body is framed as a new request", "details": "When a client sends a POST with Expect: 100-continue and the origin answers before reading the body, Apache Traffic Server parses the unread body left on the client connection as the next request. An attacker behind a front-end proxy that shares connections to Traffic Server can use this to smuggle requests past the front end and desynchronize responses for other users.\n\n\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0.\n\n\n\nUsers are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "8.0.0"}, {"last_affected": "8.0.0"}]}, {"type": "SEMVER", "events": [{"introduced": "9.0.0"}, {"last_affected": "9.0.0"}]}, {"type": "SEMVER", "events": [{"introduced": "10.0.0"}, {"last_affected": "10.0.0"}]}, {"type": "SEMVER", "events": [{"introduced": "10.2.0"}, {"last_affected": "10.2.0"}]}]}], "references": [{"type": "WEB", "url": "https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc"}]}