High severity7.4NVD Advisory· Published Jun 9, 2026· Updated Jun 9, 2026
CVE-2026-41720
CVE-2026-41720
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.springframework.ldap:spring-ldap-coreMaven | >= 4.0.0, < 4.0.4 | 4.0.4 |
org.springframework.ldap:spring-ldap-coreMaven | >= 3.3.0, < 3.3.8 | 3.3.8 |
org.springframework.ldap:spring-ldap-coreMaven | >= 3.2.0, <= 3.2.16 | — |
org.springframework.ldap:spring-ldap-coreMaven | <= 2.4.4 | — |
Affected products
5- Range: 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
- osv-coords4 versionspkg:apk/chainguard/camunda-zeebe-8.6pkg:apk/chainguard/geoserver-3.0pkg:apk/chainguard/kafbat-uipkg:apk/chainguard/kafbat-ui-fips
< 8.6.39-r5+ 3 more
- (no CPE)range: < 8.6.39-r5
- (no CPE)range: < 3.0.0-r5
- (no CPE)range: < 1.5.0-r12
- (no CPE)range: < 1.5.0-r6
Patches
Vulnerability mechanics
References
9- github.com/advisories/GHSA-jrv5-8w28-4265ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-41720ghsaADVISORY
- github.com/spring-projects/spring-ldap/commit/30b90c9fb61af87208ed051fc31349ef4d418f75ghsaWEB
- github.com/spring-projects/spring-ldap/commit/5cc73a6b7fb1d2bcb950c4d69221c6d192d79795ghsaWEB
- github.com/spring-projects/spring-ldap/commit/e2748d44bdce4f6cb4663b9b8d8462e34808f09cghsaWEB
- github.com/spring-projects/spring-ldap/issues/407ghsaWEB
- github.com/spring-projects/spring-ldap/releases/tag/3.3.8ghsaWEB
- github.com/spring-projects/spring-ldap/releases/tag/4.0.4ghsaWEB
- spring.io/security/cve-2026-41720nvdWEB
News mentions
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