CVE-2026-45692
Last modified
CVE-2026-45692 is a low-severity vulnerability rated 3.8/10 on the CVSS scale. 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. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Caddyserver | Caddy | >= 2.4.0, < 2.11.3 |
References
- https://github.com/caddyserver/caddy/security/advisories/GHSA-x5w9-xh9r-mvfcExploit, Vendor Advisory
- https://github.com/caddyserver/caddy/security/advisories/GHSA-x5w9-xh9r-mvfcExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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