CVE-2026-59316
High
Description
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
SeverityHigh
CVSS8.2
Exploit probability—
Product
Broadcom Spring Authorization Server
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- broadcom spring_authorization_server1.4.12, 1.5.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| broadcom spring_authorization_server | 1.4.0 ≤ v < 1.4.12, 1.5.0 ≤ v < 1.5.9 | 1.4.12, 1.5.9 |
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