CVE-2026-41720

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.

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.

Affected Software

VendorProductVersion RangeStatus
SpringSpring LDAP2.4.0 < 2.4.5affected
SpringSpring LDAP3.2.0 < 3.2.18affected
SpringSpring LDAP3.3.0 < 3.3.7.1affected
SpringSpring LDAP4.0.0 < 4.0.3.1affected

Weaknesses

  • CWE-287: CWE-287: Improper Authentication

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References