CVE•Published 2026-08-27•Modified 2026-08-31•1 article on news•5 live references•NVD data

CVE-2026-59316Broadcom · Spring_authorization_server

Vulnerability data via NVD (ingested)

CVSS v3.1

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

EPSS percentile

Exploit Prediction Scoring System · top 92% of all CVEs

Weaknesses (CWE)

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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

Timeline

Published 2026-08-27

Modified 2026-08-31

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-59316

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Broadcom Spring Authorization Server"

All exposed Broadcom Spring Authorization Server instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Spring Authorization Server"

HTTP body or banner mentions "Spring Authorization Server" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-59316