CVE Watch29 de out. de 2026

CVE-2026-118656

Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, sanitizeURI checks only the first two bytes of a redirect target before deciding whet

CVSS

6.1

Média

EPSS

0.2%

KEV

—

Exploit Today

0-100

Publicado: 28 de out. de 2026 · Última mod.: 29 de out. de 2026 · CWE-601

EPSS · 30d

0.2%EPSS · 30 dias0.2%

2026-10-292026-11-07

Descrição técnica

Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, sanitizeURI checks only the first two bytes of a redirect target before deciding whether it begins with an absolute-path separator pair. When AddTrailingSlash or RemoveTrailingSlash is configured with a redirect status, a slash, TAB, separator path form can evade the guard, be emitted in the Location header, and be normalized by a browser into an attacker-controlled host. This issue is fixed in 4.16.0 and 5.4.0.

Referências oficiais

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