CVE-2026-47838
6.8
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Spring | Spring Security | 5.7.0 < 5.7.25 | affected |
| Spring | Spring Security | 5.8.0 < 5.8.27 | affected |
| Spring | Spring Security | 6.3.0 < 6.3.18 | affected |
| Spring | Spring Security | 6.4.0 < 6.4.18 | affected |
| Spring | Spring Security | 6.5.0 < 6.5.10.2 | affected |
Weaknesses
- CWE-287: CWE-287: Improper Authentication
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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