Improper Input Validation Affecting org.springframework.security:spring-security-oauth2-authorization-server package, versions [1.3.0,1.5.7)[7.0.0-M3,7.0.5)
Threat Intelligence
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The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published22 Apr 2026
- disclosed21 Apr 2026
- creditKelvin Mbogo
Introduced: 21 Apr 2026
CVE-2026-22752 (opens in a new tab)How to fix?
Upgrade org.springframework.security:spring-security-oauth2-authorization-server to version 1.5.7, 7.0.5 or higher.
Overview
Affected versions of this package are vulnerable to Improper Input Validation of certain client metadata fields when explicitly enabled. An attacker possessing a valid Initial Access Token can dynamically register a malicious client with crafted metadata. Depending on the metadata provided and the Authorization Server's configuration, this can lead to Stored Cross-Site Scripting (XSS), Privilege Escalation, or Server-Side Request Forgery (SSRF).