What is CVE-2026-22748?

Vulnerability in Spring Spring Security. When an application configures JWT decoding with NimbusJwtDecoder or NimbusReactiveJwtDecoder, it must configure an OAuth2TokenValidator 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 severe is CVE-2026-22748?

CVE-2026-22748 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-22748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22748?

CVE-2026-22748 affects Vmware Spring Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22748?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-22748 have an EU (EUVD) identifier?

Yes. CVE-2026-22748 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24610.

When was CVE-2026-22748 published?

CVE-2026-22748 was published on 2026-04-22 and last updated on 2026-06-17.

CVE-2026-22748

CVE-2026-22748 is a medium-severity vulnerability in Vmware Spring Security with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24610
Weakness: CWE-20
Affected product: Vmware Spring Security
Published: 2026-04-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-22748?: 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 severe is CVE-2026-22748?: CVE-2026-22748 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-22748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22748?: CVE-2026-22748 affects Vmware Spring Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22748?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22748 have an EU (EUVD) identifier?: Yes. CVE-2026-22748 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24610.
When was CVE-2026-22748 published?: CVE-2026-22748 was published on 2026-04-22 and last updated on 2026-06-17.

References

https://spring.io/security/cve-2026-22748

Affected products (1)

cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*

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