Tracker / CVE-2026-47838
CVE-2026-47838
Medium 6.8
SubjectDnX509PrincipalExtractor 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. Affected versions: Spring Security 5.7.0 through 5.7.24; 5.8.0 through 5.8.26; 6.3.0 through 6.3.17; 6.4.0 through 6.4.17; 6.5.0 through 6.5.10.
Affected products and versions
| vmware | spring_security · … → 5.7.25 |
|---|---|
| vmware | spring_security · 5.8.0 → 5.8.27 |
| vmware | spring_security · 6.3.0 → 6.3.18 |
| vmware | spring_security · 6.4.0 → 6.4.18 |
| vmware | spring_security · 6.5.0 → 6.5.11 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.