Vulnerability · Published Jun 11, 2026 · Assigned by vmware

CVE-2026-40995X.509 authentication bypasses Spring Security account checks

Medium 5.4

In plain English

A medium-severity improper authentication in Spring Web Services from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 95.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks (disabled, locked, expired, or credentials-expired accounts). Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.springframework.ws:spring-ws-security5.0.2GHSA-6mfm-98wv-32wm
Mavenorg.springframework.ws:spring-ws-security4.1.4GHSA-6mfm-98wv-32wm
Mavenorg.springframework.ws:spring-ws-securityno fix listedGHSA-6mfm-98wv-32wm
Mavenorg.springframework.ws:spring-ws-securityno fix listedGHSA-6mfm-98wv-32wm

Affected products (as reported)

VendorProductVersions
Spring Spring Web Services 5.0.0 – before 5.0.1.14.1.0 – before 4.1.3.14.0.0 – before 4.0.193.1.0 – before 3.1.9

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References