CVSS 3.1
8.1 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NCVE-2026-47838
High (8.1) in vmware spring security. EPSS 0.1% chance of exploitation in the next 30 days. Fixed in org.springframework.security:spring-security-web 6.5.11.
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.
Severity
- EPSS
- 0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-31)
- CWE
- CWE-287
- Published
- Modified
- Record from
- the NVD, synced
Affected
- vmware:spring_security
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-293q-567p-wmwq | Maven | org.springframework.security:spring-security-web | >=6.5.0 <6.5.11 | 6.5.11 |
| GHSA-293q-567p-wmwq | Maven | org.springframework.security:spring-security-web | >=6.4.0 <=6.4.13 | no fix published |
| GHSA-293q-567p-wmwq | Maven | org.springframework.security:spring-security-web | >=6.0.0 <=6.3.10 | no fix published |
| GHSA-293q-567p-wmwq | Maven | org.springframework.security:spring-security-web | >=5.8.0 <=5.8.16 | no fix published |
| GHSA-293q-567p-wmwq | Maven | org.springframework.security:spring-security-web | <=5.7.14 | no fix published |