CVE-2026-59316

Name of the Vulnerable Software and Affected Versions Spring Authorization Server versions 1.4.0 through 1.4.11 Spring Authorization Server versions 1.5.0 through 1.5.8

Description The default consent page renders user-controlled values without HTML entity encoding. When using the DefaultConsentPage, an attacker can craft an OAuth2 authorization request containing a malicious value that is stored server-side and subsequently rendered unencoded in the consent page presented to the end user.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.