CVE-2026-59355: Spring Oauth2 Unvalidated Request Uri Redirect

OAuth2 authorization code error handling does not suppress redirects when an invalid request_uri parameter is provided. An attacker can supply an invalid request_uri with an arbitrary redirect_uri, leading to an open redirect vulnerability.

Provally CuratedPublic repositoryMediumHigh confidenceVerifiedApache-2.0Java
greprules fetch cve-2026-59355-spring-oauth2-unvalidated-request-uri-redirect --engine opengrep

Description

OAuth2 authorization code error handling does not suppress redirects when an invalid request_uri parameter is provided. An attacker can supply an invalid request_uri with an arbitrary redirect_uri, leading to an open redirect vulnerability.