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karan pushed a commit to branch 36.0.0
in repository https://gitbox.apache.org/repos/asf/druid.git


The following commit(s) were added to refs/heads/36.0.0 by this push:
     new 79f149d8991 validate (#18959)
79f149d8991 is described below

commit 79f149d8991802c7f005c2fea0b1d3586780750c
Author: Cece Mei <[email protected]>
AuthorDate: Tue Jan 27 21:18:29 2026 -0800

    validate (#18959)
---
 .../basic/authentication/validator/LDAPCredentialsValidator.java       | 3 +++
 1 file changed, 3 insertions(+)

diff --git 
a/extensions-core/druid-basic-security/src/main/java/org/apache/druid/security/basic/authentication/validator/LDAPCredentialsValidator.java
 
b/extensions-core/druid-basic-security/src/main/java/org/apache/druid/security/basic/authentication/validator/LDAPCredentialsValidator.java
index b3b52838bb3..2c32ee231a4 100644
--- 
a/extensions-core/druid-basic-security/src/main/java/org/apache/druid/security/basic/authentication/validator/LDAPCredentialsValidator.java
+++ 
b/extensions-core/druid-basic-security/src/main/java/org/apache/druid/security/basic/authentication/validator/LDAPCredentialsValidator.java
@@ -153,6 +153,9 @@ public class LDAPCredentialsValidator implements 
CredentialsValidator
       char[] password
   )
   {
+    if (username.isEmpty() || password.length == 0) {
+      return null;
+    }
     final SearchResult userResult;
     final LdapName userDn;
     final Map<String, Object> contextMap = new HashMap<>();


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