🛡️ CVE-2026-22748 — spring-security

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-20 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Spring Security has Potential Security Misconfiguration when Using withIssuerLocation

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.

Weakness class

CVE-2026-22748 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2026-22748 is recorded against 2 packages.

  • org.springframework.security:spring-security-oauth2-jose (from 7.0.0 up to 7.0.5)
  • spring-security (from 7.0.0 up to 7.0.5)

Timeline and source

Published on 22 April 2026 and last revised on 5 May 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

nvd.nist.gov (Advisory)
github.com (Package)
spring.io (Web)

CVE-2026-22748 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Medium
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2026-04-22
Updated 2026-08-12
Modified 2026-05-05
Fix URL N/A

Affected Packages

Software From version Fixed in
org.springframework.security:spring-security-oauth2-jose 7.0.0 7.0.5
spring-security 7.0.0 7.0.5

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