CVE-2026-41720
HighCVSS 7.4Exploitation Probability (EPSS)
Low risk17th percentile - higher than 17% of all known CVEs
Summary
Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password, allowing authentication without a valid password.
Risk Assessment
The organization is at risk of unauthorized access to LDAP services, potentially leading to data confidentiality and integrity breaches.
Recommendation
Upgrade Spring LDAP to version 2.4.5, 3.2.18, 3.3.8, or 4.0.4, depending on the branch used.
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Original NVD description (English source)
Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password. Affected versions: Spring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

