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Vulnerabilidades / CVE-2026-27588

crítica

CVE-2026-27588

Caddy is an extensible server platform that uses TLS by default. Prior ...

Publicada Modificada CWE 178
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
GHSA7.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según GHSA (alta).

Descripción

Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, Caddy's HTTP `host` request matcher is documented as case-insensitive, but when configured with a large host list (>100 entries) it becomes case-sensitive due to an optimized matching path. An attacker can bypass host-based routing and any access controls attached to that route by changing the casing of the `Host` header. Version 2.11.1 contains a fix for the issue.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
alpine 3.23caddy2.11.2-r0
alpine 3.24caddy2.11.1-r0
alpine edgecaddy2.11.1-r0
debian 12caddy2.6.2-5+deb12u1
debian 13caddy2.6.2-12+deb13u1
debian 14caddy2.11.2-1
echocaddy2.6.2-5+deb12u1
go::GitHub Security Advisory Gogithub.com/caddyserver/caddy/v22.11.1
minimoscaddy2.11.1-r0
rapidfort alpine 3.20caddy2.11.1-r0
rapidfort alpine 3.21caddy2.11.1-r0
rapidfort alpine 3.22caddy2.11.1-r0
Mostrar las 17 entradas de 17 fuentes
FuentePaqueteCorregido en
alpine 3.23caddy2.11.2-r0
alpine 3.24caddy2.11.1-r0
alpine edgecaddy2.11.1-r0
debian 12caddy2.6.2-5+deb12u1
debian 13caddy2.6.2-12+deb13u1
debian 14caddy2.11.2-1
echocaddy2.6.2-5+deb12u1
go::GitHub Security Advisory Gogithub.com/caddyserver/caddy/v22.11.1
minimoscaddy2.11.1-r0
rapidfort alpine 3.20caddy2.11.1-r0
rapidfort alpine 3.21caddy2.11.1-r0
rapidfort alpine 3.22caddy2.11.1-r0
rapidfort alpine 3.23caddy2.11.1-r0
rapidfort debian 12caddy0:2.11.2-1, 0:2.6.2-12+deb13u1, 0:2.6.2-5+deb12u1
rapidfort debian 13caddy0:2.11.2-1, 0:2.6.2-12+deb13u1, 0:2.6.2-5+deb12u1
rapidfort fedora 43caddy2.10.2-9.fc43
rapidfort Oracle Linux 10caddy2.10.2-9.el10_3

Referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.