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CVE-2026-59316

8.2 · HIGH

Spring Authorization Server's default consent page renders user-controlled values without HTML entity encoding.

Published Aug 27, 2026CWE-79EPSS 0.32%

Overview

CVE-2026-59316 is a high-severity vulnerability. It was published on August 27, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refspring.io/security/cve-2026-59316

How CyberStrike helps

Frequently asked questions

What is CVE-2026-59316?

CVE-2026-59316 is a high-severity vulnerability. It was published on August 27, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2026-59316?

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-59316?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-59316?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-59316 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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