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Spring Security Vulnerable to Unauthorized User Impersonation when Using X.509 Client Certificates
Spring Security Vulnerable to Unauthorized User Impersonation when Using X.509 Client Certificates
Affected packages
- org.springframework.security:spring-security-web— 6.5.0 → 6.5.11
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-47838
- https://github.com/advisories/GHSA-2jrg-rf5x-568g
- https://spring.io/security/cve-2026-47838
- spring-projects/spring-security
Structured record: https://osv.dev/vulnerability/GHSA-293q-567p-wmwq
Recommended response stack
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