{
"id": "GHSA-jrv5-8w28-4265",
"aliases": [
"CVE-2026-41720"
],
"details": "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.",
"summary": "Spring LDAP has Authentication Bypass with Empty Password",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.4"
}
]
}
],
"package": {
"name": "org.springframework.ldap:spring-ldap-core",
"ecosystem": "Maven"
},
"database_specific": {
"last_known_affected_version_range": "<= 4.0.3"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.3.0"
},
{
"fixed": "3.3.8"
}
]
}
],
"package": {
"name": "org.springframework.ldap:spring-ldap-core",
"ecosystem": "Maven"
},
"database_specific": {
"last_known_affected_version_range": "<= 3.3.7"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.2.0"
},
{
"last_affected": "3.2.16"
}
]
}
],
"package": {
"name": "org.springframework.ldap:spring-ldap-core",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.4.4"
}
]
}
],
"package": {
"name": "org.springframework.ldap:spring-ldap-core",
"ecosystem": "Maven"
}
}
],
"modified": "2026-07-29T18:15:29Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"published": "2026-06-09T06:31:57Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41720",
"type": "ADVISORY"
},
{
"url": "https://github.com/spring-projects/spring-ldap/issues/407",
"type": "WEB"
},
{
"url": "https://github.com/spring-projects/spring-ldap/commit/30b90c9fb61af87208ed051fc31349ef4d418f75",
"type": "WEB"
},
{
"url": "https://github.com/spring-projects/spring-ldap/commit/5cc73a6b7fb1d2bcb950c4d69221c6d192d79795",
"type": "WEB"
},
{
"url": "https://github.com/spring-projects/spring-ldap/commit/e2748d44bdce4f6cb4663b9b8d8462e34808f09c",
"type": "WEB"
},
{
"url": "https://github.com/spring-projects/spring-ldap",
"type": "PACKAGE"
},
{
"url": "https://github.com/spring-projects/spring-ldap/releases/tag/3.3.8",
"type": "WEB"
},
{
"url": "https://github.com/spring-projects/spring-ldap/releases/tag/4.0.4",
"type": "WEB"
},
{
"url": "https://spring.io/security/cve-2026-41720",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-287"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2026-06-09T05:16:35Z",
"github_reviewed_at": "2026-07-29T18:15:29Z"
}
}