{"id":"CVE-2026-41720","aliases":["CLSA-2026-1782176232","CLSA-2026-1786536841","CLSA-2026-1786543557","CLSA-2026-1786547094","CLSA-2026-1788782659","CLSA-2026-1789146534","CLSA-2026-1789371263","CLSA-2026-1789400252","CLSA-2026-1789415252","CLSA-2026-1789959015","CLSA-2026-1791968034","CLSA-2026-1791993126","CLSA-2026-1792072269","CLSA-2026-1792141850","CLSA-2026-1792591698","EUVD-2026-35324","GHSA-jrv5-8w28-4265","ROOT-APP-MAVEN-CVE-2026-41720"],"status":"published","title":"Authentication Bypass with Empty Password in Spring LDAP","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.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00257,"percentile":0.1743,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2026-06-09T03:48:56Z","modified":"2026-11-02T19:46:29Z","fixes":[{"ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","fixed_in":["4.0.4","3.3.8"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","fixed_in":["2.4.4-tuxcare.8","3.2.12-tuxcare.1","2.4.1-tuxcare.2","2.3.3.RELEASE-tuxcare.1","2.3.2.RELEASE-tuxcare.1","2.3.1.RELEASE-tuxcare.1","2.3.6.RELEASE-tuxcare.1","2.3.4.RELEASE-tuxcare.1","2.4.2-tuxcare.1","3.2.16-tuxcare.1","3.0.6-tuxcare.6"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"org.springframework.ldap:spring-ldap-core","fixed_in":["3.3.6-aikido.1","4.0.2-aikido.1","3.2.0-aikido.2","3.2.6-aikido.2"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"io.root.org.springframework.ldap:spring-ldap-core","fixed_in":["3.3.6-root.io.1","4.0.2-root.io.1","3.2.0-root.io.2","3.2.6-root.io.2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"last_affected":"4.0.3"},{"fixed":"4.0.4"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"last_affected":"3.3.7"},{"fixed":"3.3.8"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2.0"},{"last_affected":"3.2.16"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.4.4"}]}]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.4"},{"fixed":"2.4.4-tuxcare.8"}]}],"versions":["2.4.4","2.4.4-tuxcare.2","2.4.4-tuxcare.3","2.4.4-tuxcare.4","2.4.4-tuxcare.5","2.4.4-tuxcare.6","2.4.4-tuxcare.7","2.4.4.tuxcare.1"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2.12"},{"fixed":"3.2.12-tuxcare.1"}]}],"versions":["3.2.12"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.1"},{"fixed":"2.4.1-tuxcare.2"}]}],"versions":["2.4.1","2.4.1.tuxcare.1"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.3.RELEASE"},{"fixed":"2.3.3.RELEASE-tuxcare.1"}]}],"versions":["2.3.3.RELEASE"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.2.RELEASE"},{"fixed":"2.3.2.RELEASE-tuxcare.1"}]}],"versions":["2.3.2.RELEASE"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.1.RELEASE"},{"fixed":"2.3.1.RELEASE-tuxcare.1"}]}],"versions":["2.3.1.RELEASE"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.6.RELEASE"},{"fixed":"2.3.6.RELEASE-tuxcare.1"}]}],"versions":["2.3.6.RELEASE"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.4.RELEASE"},{"fixed":"2.3.4.RELEASE-tuxcare.1"}]}],"versions":["2.3.4.RELEASE"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.2"},{"fixed":"2.4.2-tuxcare.1"}]}],"versions":["2.4.2"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2.16"},{"fixed":"3.2.16-tuxcare.1"}]}],"versions":["3.2.16"]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.6"},{"fixed":"3.0.6-tuxcare.6"}]}],"versions":["3.0.6","3.0.6-tuxcare.1","3.0.6-tuxcare.2","3.0.6-tuxcare.3","3.0.6-tuxcare.4","3.0.6-tuxcare.5"]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.4"}]}],"versions":["4.0.0","4.0.1","4.0.2","4.0.3"]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"3.3.8"}]}],"versions":["3.3.0","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3.7"]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2.0"},{"last_affected":"3.2.16"}]}],"versions":["3.2.0","3.2.1","3.2.10","3.2.11","3.2.12","3.2.13","3.2.14","3.2.15","3.2.16","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9"]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.4.4"}]}],"versions":["1.3.0.RELEASE","1.3.1.RELEASE","1.3.2.RELEASE","2.0.0.RELEASE","2.0.1.RELEASE","2.0.2.RELEASE","2.0.3.RELEASE","2.0.4.RELEASE","2.1.0.RELEASE","2.2.0.RELEASE","2.2.1.RELEASE","2.3.0.RELEASE","2.3.1.RELEASE","2.3.2.RELEASE","2.3.3.RELEASE","2.3.4.RELEASE","2.3.5.RELEASE","2.3.6.RELEASE","2.3.7.RELEASE","2.3.8.RELEASE","2.4.0","2.4.1","2.4.2","2.4.4"]},{"source":"osv","ecosystem":"Root:Maven","package":"org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.6-aikido.1"},{"fixed":"4.0.2-aikido.1"},{"fixed":"3.2.0-aikido.2"},{"fixed":"3.2.6-aikido.2"}]}]},{"source":"osv","ecosystem":"Root:Maven","package":"io.root.org.springframework.ldap:spring-ldap-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.6-root.io.1"},{"fixed":"4.0.2-root.io.1"},{"fixed":"3.2.0-root.io.2"},{"fixed":"3.2.6-root.io.2"}]}]}],"products":[{"vendor":"spring","product":"spring ldap"}],"references":[{"url":"https://spring.io/security/cve-2026-41720","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41720","tags":["advisory"]},{"url":"https://github.com/spring-projects/spring-ldap/issues/407","tags":["web"]},{"url":"https://github.com/spring-projects/spring-ldap/commit/30b90c9fb61af87208ed051fc31349ef4d418f75","tags":["web"]},{"url":"https://github.com/spring-projects/spring-ldap/commit/5cc73a6b7fb1d2bcb950c4d69221c6d192d79795","tags":["web"]},{"url":"https://github.com/spring-projects/spring-ldap/commit/e2748d44bdce4f6cb4663b9b8d8462e34808f09c","tags":["web"]},{"url":"https://github.com/spring-projects/spring-ldap/releases/tag/3.3.8","tags":["web"]},{"url":"https://github.com/spring-projects/spring-ldap/releases/tag/4.0.4","tags":["web"]},{"url":"https://github.com/advisories/GHSA-jrv5-8w28-4265"},{"url":"https://github.com/spring-projects/spring-ldap","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41720","title":"Authentication Bypass with Empty Password in Spring LDAP","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.","status":"published","published":"2026-06-09T03:48:56.229Z","modified":"2026-06-23T20:47:25.024Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-35324","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.","status":"published","published":"2026-06-09T03:48:56Z","modified":"2026-06-23T20:47:25Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:20:31.123469Z"}],"ghsa":[{"id":"GHSA-jrv5-8w28-4265","title":"Spring LDAP has Authentication Bypass with Empty Password","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.","status":"published","published":"2026-06-09T06:31:57Z","modified":"2026-07-29T18:15:30Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:40:54.767849Z"}],"nvd":[{"id":"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.\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.","status":"published","published":"2026-06-09T05:16:35.377Z","modified":"2026-07-23T08:10:00.137Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:12:22.73178Z"}],"osv":[{"id":"GHSA-jrv5-8w28-4265","title":"Spring LDAP has Authentication Bypass with Empty Password","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.","status":"published","published":"2026-06-09T06:31:57Z","modified":"2026-09-10T03:51:09.061872621Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:51.10002Z"},{"id":"CLSA-2026-1782176232","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 2.4.4-tuxcare.8.","status":"published","published":"2026-08-04T14:52:39Z","modified":"2026-11-02T19:45:38.496098249Z","updated_at":"2026-11-02T20:30:13.950198Z"},{"id":"CLSA-2026-1786536841","title":"TuxCare security update for org.springframework.data (3 CVEs)","description":"TuxCare rebuilt 5 org.springframework.data packages to address 3 CVEs. Fixed in 3.2.12-tuxcare.1.","status":"withdrawn","published":"2026-08-12T12:14:01Z","modified":"2026-10-26T13:21:31Z","updated_at":"2026-11-02T15:43:46.850893Z"},{"id":"CLSA-2026-1786543557","title":"TuxCare security update for org.springframework.data (3 CVEs)","description":"TuxCare rebuilt 4 org.springframework.data packages to address 3 CVEs. Fixed in 3.2.12-tuxcare.1.","status":"withdrawn","published":"2026-08-12T14:05:57Z","modified":"2026-10-26T13:21:31Z","updated_at":"2026-11-02T15:43:46.850893Z"},{"id":"CLSA-2026-1786547094","title":"TuxCare security update for org.springframework.data:spring-data-ldap (3 CVEs)","description":"TuxCare rebuilt org.springframework.data:spring-data-ldap to address 3 CVEs. Fixed in 3.2.12-tuxcare.1.","status":"withdrawn","published":"2026-08-12T15:04:54Z","modified":"2026-10-26T13:21:31Z","updated_at":"2026-11-02T15:43:46.850893Z"},{"id":"CLSA-2026-1788782659","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 3.2.12-tuxcare.1.","status":"published","published":"2026-09-07T12:04:19Z","modified":"2026-11-02T19:46:09.100286833Z","updated_at":"2026-11-02T20:29:40.716173Z"},{"id":"CLSA-2026-1789146534","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 2.4.1-tuxcare.2.","status":"published","published":"2026-09-11T17:08:54Z","modified":"2026-11-02T19:46:13.008484858Z","updated_at":"2026-11-02T20:29:35.589477Z"},{"id":"CLSA-2026-1789371263","title":"TuxCare security update for org.springframework.amqp (3 CVEs)","description":"TuxCare rebuilt 7 org.springframework.amqp packages to address 3 CVEs. Fixed in 3.2.12-tuxcare.1.","status":"withdrawn","published":"2026-09-14T07:34:23Z","modified":"2026-10-26T13:21:31Z","updated_at":"2026-11-02T15:43:47.938828Z"},{"id":"CLSA-2026-1789400252","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 2.3.3.RELEASE-tuxcare.1.","status":"published","published":"2026-09-14T15:37:33Z","modified":"2026-10-15T09:47:43.738724022Z","updated_at":"2026-11-02T15:43:47.938828Z"},{"id":"CLSA-2026-1789415252","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 2.3.2.RELEASE-tuxcare.1.","status":"published","published":"2026-09-14T19:47:32Z","modified":"2026-11-02T19:46:15.865163947Z","updated_at":"2026-11-02T20:29:33.792105Z"},{"id":"CLSA-2026-1789959015","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 2.3.1.RELEASE-tuxcare.1.","status":"published","published":"2026-09-21T02:50:15Z","modified":"2026-11-02T19:46:19.362675923Z","updated_at":"2026-11-02T20:29:28.838259Z"},{"id":"CLSA-2026-1791968034","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 2.3.6.RELEASE-tuxcare.1.","status":"published","published":"2026-10-14T08:53:54Z","modified":"2026-11-02T19:46:27.312938073Z","updated_at":"2026-11-02T20:29:13.152182Z"},{"id":"CLSA-2026-1791993126","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 2.3.4.RELEASE-tuxcare.1.","status":"published","published":"2026-10-14T15:52:06Z","modified":"2026-11-02T19:46:28.383189908Z","updated_at":"2026-11-02T20:29:06.487335Z"},{"id":"CLSA-2026-1792072269","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 2.4.2-tuxcare.1.","status":"published","published":"2026-10-15T13:51:09Z","modified":"2026-11-02T19:46:28.385907667Z","updated_at":"2026-11-02T20:29:06.487335Z"},{"id":"CLSA-2026-1792141850","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 3.2.16-tuxcare.1.","status":"published","published":"2026-10-16T09:10:50Z","modified":"2026-11-02T19:46:29.444815704Z","updated_at":"2026-11-02T20:29:06.487335Z"},{"id":"CLSA-2026-1792591698","title":"TuxCare security update for org.springframework.ldap:spring-ldap-core (1 CVE)","description":"TuxCare rebuilt org.springframework.ldap:spring-ldap-core to address 1 CVE. Fixed in 3.0.6-tuxcare.6.","status":"published","published":"2026-10-21T14:08:18Z","modified":"2026-11-02T19:46:29.543563915Z","updated_at":"2026-11-02T20:29:06.487335Z"},{"id":"ROOT-APP-MAVEN-CVE-2026-41720","title":"CVE-2026-41720 in org.springframework.ldap:spring-ldap-core - Patched by Root","description":"Root has patched CVE-2026-41720 in the org.springframework.ldap:spring-ldap-core package for Root:Maven. Multiple fixed versions available.","status":"published","published":"2026-09-15T16:56:30Z","modified":"2026-09-15T17:15:04.839211701Z","updated_at":"2026-11-02T15:53:27.066589Z"}]}}