CVE Explorer
CVE-2026-41720
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Spring LDAP","vendor":"Spring","versions":[{"lessThan":"2.4.5","status":"affected","version":"2.4.0","versionType":"custom"},{"lessThan":"3.2.18","status":"affected","version":"3.2.0","versionType":"custom"},{"lessThan":"3.3.7.1","status":"affected","version":"3.3.0","versionType":"custom"},{"lessThan":"4.0.3.1","status":"affected","version":"4.0.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:50a2c413f87ad50655954d4c42f3ee1b5ca22c960c3c0396ae3151a53dcceff8 · sha256:67254ee9021e1e87… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:50a2c413f87ad50655954d4c42f3ee1b5ca22c960c3c0396ae3151a53dcceff8 · sha256:67254ee9021e1e87… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:50a2c413f87ad50655954d4c42f3ee1b5ca22c960c3c0396ae3151a53dcceff8 · sha256:67254ee9021e1e87… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://spring.io/security/cve-2026-41720"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:50a2c413f87ad50655954d4c42f3ee1b5ca22c960c3c0396ae3151a53dcceff8 · sha256:67254ee9021e1e87… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.