August 10, 2026

CVE Watchtower


← Back to CVE List

CVE-2026-22747NVD

Vulnerability Summary

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.
Severity Level
MEDIUM(6.8)
Published Date
Apr 22, 2026
Last Modified
Jun 30, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.30%Probability
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone