CVE-2026-44052

Netatalk 2.1.0 through 4.4.2 inserts LDAP simple-bind passwords into log output in cleartext, which allows an attacker with access to the log files to obtain LDAP credentials...

CVE-2026-45675 Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, lin...

EUVD-2026-30492

ZITADEL is an open source identity management platform. From 2.71.11 to before 3.4.10 and 4.15.0, a vulnerability was discovered in Zitadel's LDAP identity provider implementation, which fails to properly escape user-provided usernames before incorporating them into LDAP search filters. This allo...

CVE-2026-34339

Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to deny service locally...

EUVD-2026-29966

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-39455

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-39455 BIG-IP Configuration utility vulnerability

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-44305 Lemur: LDAP TLS certificate verification globally disabled enables credential interception

Lemur manages TLS certificate creation. Prior to 1.9.0, when LDAP TLS is enabled LDAPUSETLS = True, Lemur's LDAP authentication module unconditionally disables TLS certificate verification at the global ldap module level. This allows a man-in-the-middle attacker positioned between Lemur and the...

CVE-2026-34339 Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

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CVE-2026-34339

Technical details about CVE-2026-34339 (Windows LDAP denial of service) are not publicly available in the provided connected documents. Monitor for updates from Microsoft/NVD for affected products, vectors, and fixes.

Microsoft Lightweight Directory Access Protocol（LDAP） 代码问题漏洞

Microsoft Lightweight Directory Access Protocol LDAP is a directory service protocol developed by Microsoft Corporation. It operates at the layer above the TCP/IP stack. There are code-related vulnerabilities in the Microsoft Lightweight Directory Access Protocol LDAP. Attackers can exploit these...

Unity Linux 20.1060e / 20.1070e Security Update: samba (UTSA-2026-017651)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017651 advisory. A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LD...

ldap3_proto has LDAP Filter stack exhaustion

Impact LDAP queries are not validated for depth, which can cause the parser both PEG and ASN to exhaust the stack. This may cause a denial of service in applications that process queries. Workarounds N/A References Related to GHSA-r5fr-9gmv-jggh...

GHSA-QCXQ-75WR-5CM8 ldap3_proto has LDAP Filter stack exhaustion

Impact LDAP queries are not validated for depth, which can cause the parser both PEG and ASN to exhaust the stack. This may cause a denial of service in applications that process queries. Workarounds N/A References Related to GHSA-r5fr-9gmv-jggh...

Improper Certificate Validation

Overview lemur is a Certificate management and orchestration service Affected versions of this package are vulnerable to Improper Certificate Validation in the ldap process. An attacker can intercept authentication credentials and modify LDAP responses by performing a man-in-the-middle attack...

bouncycastle: BC-JAVA: LDAP injection vulnerability in LDAPStoreHelper.java

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The LDAPStoreHelper implementation fails to properly neutralize special elements in user-supplied input before incorporating them into LDAP queries. This allows a remote attacker to execute an LDAP injection attack by supplying...

bouncycastle: BC-JAVA: LDAP injection vulnerability in LDAPStoreHelper.java

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The LDAPStoreHelper implementation fails to properly neutralize special elements in user-supplied input before incorporating them into LDAP queries. This allows a remote attacker to execute an LDAP injection attack by supplying...

CVE-2026-33609

Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees...

CVE-2026-34294

Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware component: Microsoft Active Directory. The supported version that is affected is 12.2.1.4.0. Difficult to exploit vulnerability allows low privileged attacker with network access via LDAP to compromise Orac...

EUVD-2026-22849

Improper neutralization of special elements used in an LDAP query 'LDAP injection' vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all prov modules. This vulnerability is associated with program files LDAPStoreHelper. This issue affects BC-JAVA: from 1.74 before 1.84...