CVE-2026-45692: Caddyserver Caddy

Low severity, CVSS 3.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Caddy is an extensible server platform that uses TLS by default. From 2.4.0 until 2.11.3, the authorization layer and the /config traversal layer do not agree on what object the path refers to. In this case, a path authorized for one config object is accepted, but then resolves to a different config object during traversal. This happens because the authorization layer uses string prefix matching and the /config traversal layer parses array indices numerically using strconv.Atoi(). This vulnerability is fixed in 2.11.3.

Affected products

• Caddyserver Caddy: from 2.4.0, before 2.11.3 (fixed in 2.11.3)

Published 2026-06-23. Last modified 2026-06-26.