CVEvulnerability

CVE-2026-118656

6.1 MEDIUM Published 2026-10-28 Modified 2026-10-29 Official page ↗
Status
Awaiting Analysis
Published
2026-10-28
Last modified
2026-10-29
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-601

Description

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.

Related

Weakness · CWE (1)

  • CWE-601 URL Redirection to Untrusted Site weakness

References