CVEvulnerability
CVE-2026-47838
8.1 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-10
- Last modified
- 2026-07-23
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-287
Description
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 configurations
• 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)
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://spring.io/security/cve-2026-47838 Vendor Advisory