CVE-2026-22747HIGH 8.1EPSS p4.6%

CVE-2026-22747CVE-2026-22747

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.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS0.15% probability of exploitation · percentile 4.6% · 2026-06-19T12:03:05Z
Published2026-04-22
Last modified2026-04-24

Underlying weaknesses· 1

CWE-297

References

  1. https://spring.io/security/cve-2026-22747

1

TypeTargetConfidenceTier
WeaknessImproper Validation of Certificate with Host Mismatchcwe-2970%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.