Threats Tagged 'cve-2026-30852'
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Threats Tagged 'cve-2026-30852'
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0 Caddy is an extensible server platform that uses TLS by default. From version 2.7.5 to before version 2.11.2, the vars_regexp matcher in vars.go:337 double-expands user-controlled input through the Caddy replacer. When vars_regexp matches against a placeholder like {http.request.header.X-Input}, the header value gets resolved once (expected), then passed through repl.ReplaceAll() again (the bug). This means an attacker can put {env.DATABASE_URL} or {file./etc/passwd} in a request header and the server will evaluate it, leaking environment variables, file contents, and system info. This issue has been patched in version 2.11.2. Join the discussion | CVE Database V5 | 03/07/2026, 16:28:26 UTC Added: 03/07/2026, 16:46:07 UTC |
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