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

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Fixes

Solution

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Workaround

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References
History

Tue, 01 Sep 2026 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Broadcom
Broadcom spring Authorization Server
CPEs cpe:2.3:a:broadcom:spring_authorization_server:*:*:*:*:*:*:*:*
Vendors & Products Broadcom
Broadcom spring Authorization Server

Fri, 28 Aug 2026 23:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 28 Aug 2026 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Spring
Spring spring Authorization Server
Vendors & Products Spring
Spring spring Authorization Server

Fri, 28 Aug 2026 07:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
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
Title Spring Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-08-28T22:47:16.884Z

Reserved: 2026-07-04T18:13:57.026Z

Link: CVE-2026-59316

cve-icon Vulnrichment

Updated: 2026-08-28T19:02:42.602Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-27T20:17:57.667

Modified: 2026-08-31T23:39:56.947

Link: CVE-2026-59316

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T08:00:12Z

Weaknesses