CVE-2026-59316CWE-79cross-site-scripting

CVE-2026-59316

High · published August 28, 2026

CVSS v3.1
8.2
EPSS
0%
Percentile
23.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00319 · 23.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-28T00:17Z
Affected products (2)
ProductVersionsFixed in
broadcom/spring_authorization_server≥ 1.4.0, < 1.4.121.4.12
broadcom/spring_authorization_server≥ 1.5.0, < 1.5.91.5.9
References (1)
https://spring.io/security/cve-2026-59316 · [email protected]
EPSS history
Timeline
  • 27 AUG 18:04Z
    Spring Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)
    cvelistv5