Caddy has an RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through

影響: go:github.com/caddyserver/caddy/v2 <= 2.11.4 → 2.11.5

AI Disclosure This vulnerability was discovered via deepseek-v4-pro[1m] for finding potential vulnerabilities / inconsistencies in the code base. I made the AI check if Caddy is compliant with various RFCs, incl. 7230. I also used it to help write the PoC, since it was honestly much faster than writing it by hand. I also let it write parts of this advisory text for brevity's sake, but had to rewrite half of it by hand. Summary Caddy's reverse proxy fails to strip RFC 7230 hop-by-hop headers fro…

GitHub Advisory Databaseで読む

2026/10/29 04:49、GitHub Advisory Databaseが「Caddy has an RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「注意」(low) です。関連する技術: Go、GitHub。CVE: CVE-2026-55458。