{"cve":"CVE-2026-41720","nvd":{"published":"2026-06-09T05:16:35.377","modified":"2026-07-23T08:10:00.137","status":"Awaiting Analysis","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.\n\nAffected versions:\nSpring 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4},"cwes":["CWE-287"],"references":["https://spring.io/security/cve-2026-41720"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:38:48.522727527+00:00"},"epss":{"cve":"CVE-2026-41720","score":0.00257,"percentile":0.17366,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jrv5-8w28-4265","url":"https://osv.dev/vulnerability/GHSA-jrv5-8w28-4265","summary":"Spring LDAP has Authentication Bypass with Empty Password","modified":"2026-09-10T03:51:09.061872621Z","packages":[{"ecosystem":"Maven","name":"org.springframework.ldap:spring-ldap-core","purl":"pkg:maven/org.springframework.ldap/spring-ldap-core","ranges":[">=4.0.0 <4.0.4"],"fixed":["4.0.4"]},{"ecosystem":"Maven","name":"org.springframework.ldap:spring-ldap-core","purl":"pkg:maven/org.springframework.ldap/spring-ldap-core","ranges":[">=3.3.0 <3.3.8"],"fixed":["3.3.8"]},{"ecosystem":"Maven","name":"org.springframework.ldap:spring-ldap-core","purl":"pkg:maven/org.springframework.ldap/spring-ldap-core","ranges":[">=3.2.0 <=3.2.16"],"fixed":[]},{"ecosystem":"Maven","name":"org.springframework.ldap:spring-ldap-core","purl":"pkg:maven/org.springframework.ldap/spring-ldap-core","ranges":["<=2.4.4"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}