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TI-2026-18271 Aliases CVE-2026-22747GHSA-2jrg-rf5x-568g

Unauthorized User Impersonation when Using X.509 Client Certificates

Priority LOW 37CWE-297Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor 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. This issue affects Spring Security: from 7.0.0 through 7.0.4.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0024 15th percentileScored 2026-11-07
Fix Fixed org.springframework.security:spring-security-web (Maven): 7.0.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VMwareSpring Security7.0.0 – 7.0.4—No fix listedCNA
—org.springframework.security:spring-security-web (Maven)7.0.0 to before 7.0.57.0.5Patch availableGHSA-2jrg-rf5x-568g
  • Spring Security VendorVMware Affected 7.0.0 – 7.0.4 Fixed in — No fix listed CNA
  • org.springframework.security:spring-security-web (Maven) Vendor— Affected 7.0.0 to before 7.0.5 Fixed in 7.0.5 Patch available GHSA-2jrg-rf5x-568g

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*7.0.0 to before 7.0.5VulnerableVMware
  • cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.0.5 Vulnerable ·VMware

Remediation

  • Fix · GHSA-2jrg-rf5x-568g org.springframework.security:spring-security-web (Maven) Fixed in 7.0.5 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 12 products
  • OpenShift Developer Tools and Services
  • Red Hat Data Grid 8
  • Red Hat Fuse 7
  • Red Hat JBoss Enterprise Application Platform 7
  • Red Hat JBoss Enterprise Application Platform 8
  • Red Hat JBoss Enterprise Application Platform Expansion Pack
  • Red Hat OpenShift Dev Spaces
  • Red Hat Process Automation 7
  • Red Hat Single Sign-On 7
  • Red Hat build of Apache Camel - HawtIO 4
  • Red Hat build of Apache Camel for Spring Boot 4
  • Red Hat build of Quarkus

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22747
  2. 2026-10-03 Alias added: GHSA-2jrg-rf5x-568g

References

Advisory 2

Other 2

  • TI-2023-16900 Improper access control in Spring Security CVSS 3.1CRITICAL 9.8
  • TI-2022-13611 Authorization bypass in Spring by VMware CVSS 3.1CRITICAL 9.8
  • TI-2022-07154 Incorrect authorization in Spring Security CVSS 3.1CRITICAL 9.8
  • TI-2026-42404 Spring Security embedded UnboundID LDAP server exposes well-known administrative bind DN on all network interfaces CVSS 3.1CRITICAL 9.4
  • TI-2026-18257 Under Some Conditions Spring Security HTTP Headers Are not Written CVSS 3.1CRITICAL 9.1
  • TI-2014-02853 Improper authentication in Pivotal Spring Security CVSS 3.0CRITICAL 9.8
See all 43 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences