Open Redirect in VMware Spring Authorization Server
CVE-2026-59355
In versions of Spring Authorization Server 1.5.0 through 1.5.7, the authorization endpoint performs insufficient validation of the request_uri parameter. An attacker can craft a request containing an invalid request_uri paired with an unvalidated redirect_uri, which can result in an open redirect to an attacker-controlled site.
Vulnerability class: Open Redirect
EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- security@vmware.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-59355?
- CVE-2026-59355 is a medium-severity vulnerability in VMware Spring Authorization Server, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-08-27.
- How severe is CVE-2026-59355?
- Medium severity. CVSS v3 base score is 6.1 out of 10.