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Vulnerability record · CVE-2026-22747 · published 22 April 2026

CVE-2026-22747: Vmware spring security improper certificate validation vulnerability

Vmware · Spring Security

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.

8.1 CVSS 3.1 High EPSS 0.30% · top 80.1% CWE-297 · CWE-297CWE-295 · Improper certificate validation
8.1CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
15 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://spring.io/security/cve-2026-22747 Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-22747
https://bugzilla.redhat.com/show_bug.cgi?id=2460487
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22747.json

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-22747), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.