Medium severity · published Apr 22, 2026
CVE-2026-22748
Potential Security Misconfiguration when Using withIssuerLocation
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Spring Security · Spring
6.3.0 through 6.3.14; 6.4.0 through 6.4.14; 6.5.0 through 6.5.9; 7.0.0 through 7.0.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22748
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22748
Vendor Advisory
https://spring.io/security/cve-2026-22748
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