Echo has Open Redirect via Control-Character Prefix Defeating sanitizeURI

影響: go:github.com/labstack/echo/v5 < 5.4.0 → 5.4.0, go:github.com/labstack/echo/v4 < 4.16.0 → 4.16.0

Echo's dedicated open-redirect guard, sanitizeURI, decides whether a redirect target is a local path by inspecting exactly two byte positions: uri[0] and uri[1]. If the value begins with a control character such as a tab or a newline, followed by a separator pair, the guard does not fire and the value is written to the Location header unchanged. Browsers remove tab and newline characters from URLs before parsing them, and treat a backslash as a forward slash for HTTP and HTTPS URLs. A Location…

在 GitHub Advisory Database 阅读

2026/10/29 06:04，GitHub Advisory Database 发布了“Echo has Open Redirect via Control-Character Prefix Defeating sanitizeURI”（类型：漏洞公告）。严重程度为“中危”（medium）。相关技术：Go、GitHub。CVE：CVE-2026-118656。