Spring Security CVE-2026-22748

| EUVD-2026-24610 MEDIUM
Improper Input Validation (CWE-20)
2026-04-22 vmware GHSA-cvc6-q2cp-2xhw
Java Information Disclosure Redhat
5.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

1
Analysis Generated
Apr 22, 2026 - 06:30 vuln.today

DescriptionNVD

Vulnerability in Spring Spring Security. When an application configures JWT decoding with NimbusJwtDecoder  or NimbusReactiveJwtDecoder, it must configure an OAuth2TokenValidator<Jwt> separately, for example by calling setJwtValidator.This issue affects Spring Security: from 6.3.0 through 6.3.14, from 6.4.0 through 6.4.14, from 6.5.0 through 6.5.9, from 7.0.0 through 7.0.4.

AnalysisAI

JWT token validation bypass in Spring Security allows authenticated attackers to forge or manipulate JWT tokens when NimbusJwtDecoder or NimbusReactiveJwtDecoder is used without explicit OAuth2TokenValidator configuration, enabling unauthorized access to protected resources. The vulnerability affects Spring Security versions 6.3.0-6.3.14, 6.4.0-6.4.14, 6.5.0-6.5.9, and 7.0.0-7.0.4. …

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Vendor StatusVendor

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CVE-2026-22748 vulnerability details – vuln.today
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