CVE-2026-22747

Name: CVE-2026-22747
Creator: NVD / NIST
Published: 2026-04-22T06:16:03.933+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2026-22747 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. This issue affects Spring Security: from 7.0.0 through 7.0.4.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. This issue affects Spring Security: from 7.0.0 through 7.0.4.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.23%

13.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-297

Affected Software

Vendor	Product	Versions
Vmware	Spring Security	>= 7.0.0, < 7.0.5

References

https://spring.io/security/cve-2026-22747Vendor Advisory

Timeline

Published: Apr 22, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-22747?

How severe is CVE-2026-22747?

CVE-2026-22747 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2026-22747?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-22747?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST