CVE-2026-27585
MEDIUM WAF: Medium
CVSS 6.5
Published: 2026-02-24
CWE-20
Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, the path sanitization routine in file matcher doesn't sanitize backslashes which can lead to bypassing path related security protections. It affects users with specific Caddy and environment configurations. Version 2.11.1 fixes the issue.
WAF Coverage Analysis
Improper Input Validation
Medium WAF Coverage
OWASP: A03:2021 Injection
920xxx - Protocol Enforcement 941xxx - XSS / XXE 942xxx - SQL Injection
Affected Software
| Vendor | Product | Version |
|---|---|---|
| caddyserver | caddy | up to 2.11.1 |
References
- github.com (Product)
- github.com (Product)
- github.com (Release Notes)
- github.com (Exploit, Vendor Advisory)