Vulnerability Details CVE-2026-59316
Spring Authorization Server's 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 later rendered unencoded in the default consent page presented to the end user.
Spring Authorization Server 1.5.0 - 1.5.8
Spring Authorization Server 1.4.0 - 1.4.11
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 8.1%
CVSS Severity
CVSS v3 Score 8.2
References
Products affected by CVE-2026-59316
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.0
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.1
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.11
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.2
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.3
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.4
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.5
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.6
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.7
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cpe:2.3:a:broadcom:spring_authorization_server:1.4.8
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.0
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.1
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.2
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.3
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.4
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.5
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.6
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.7
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.7.1
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cpe:2.3:a:broadcom:spring_authorization_server:1.5.8