VMware Spring Authorization Server up to 1.5.7 request_uri redirect

Summaryinfo

A vulnerability categorized as problematic has been discovered in VMware Spring Authorization Server up to 1.5.7. Affected by this vulnerability is an unknown functionality. Such manipulation of the argument request_uri leads to redirect. This vulnerability is referenced as CVE-2026-59355. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in VMware Spring Authorization Server up to 1.5.7. Affected by this issue is an unknown functionality. The manipulation of the argument request_uri with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is integrity. CVE summarizes:

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.

The advisory is available at spring.io. This vulnerability is handled as CVE-2026-59355 since 07/04/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/27/2026). This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

Upgrading to version 1.5.7.1 or 1.5.8 eliminates this vulnerability.

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Productinfo

Vendor

• VMware

Name

• Spring Authorization Server

Version

• 1.5.0
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4
• 1.5.5
• 1.5.6
• 1.5.7

License

• commercial

Website

• Vendor: https://www.vmware.com/

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