CVE-2026-44671 ZITADEL: LDAP Filter Injection in Login Flow

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...

WS-2020-0437

In cloudron-surfer in versions 5.5.0 to 5.10.2 is vulnerable to enial of service via LDAP Injection...

CVE-2026-44304

Lemur manages TLS certificate creation. Prior to 1.9.0, Lemur's LDAP authentication module lemur/auth/ldap.py constructs LDAP search filters using unsanitized user input via Python string interpolation. An authenticated LDAP user can inject LDAP filter metacharacters through the username field to...

VulnCheck KEV: CVE-2026-28515

openDCIM version 23.04, through commit 4467e9c4, contains a missing authorization vulnerability in install.php and container-install.php. The installer and upgrade handler expose LDAP configuration functionality without enforcing application role checks. Any authenticated user can access this...

CVE-2026-44671: Improper Neutralization of Special Elements used in an LDAP Query

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-2026-39455

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...

K000160874: BIG-IP Configuration utility vulnerability CVE-2026-39455

Security Advisory Description 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. CVE-2026-39455 Impact The Configuration utility stops...

CVE-2026-39455: Missing Release of Resource after Effective Lifetime

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 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-2026-44304

Lemur manages TLS certificate creation. Prior to 1.9.0, Lemur's LDAP authentication module lemur/auth/ldap.py constructs LDAP search filters using unsanitized user input via Python string interpolation. An authenticated LDAP user can inject LDAP filter metacharacters through the username field to...

AZL-86799 CVE-2026-27851 affecting package dovecot 2.3.20-1

When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe data to be unescaped. This can enable SQL / LDAP injection attacks when used in authentication. Avoid using safe filter until on fixed version. No...

CVE-2026-27851

When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe data to be unescaped. This can enable SQL / LDAP injection attacks when used in authentication. Avoid using safe filter until on fixed version. No...

CVE-2026-27851

When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe data to be unescaped. This can enable SQL / LDAP injection attacks when used in authentication. Avoid using safe filter until on fixed version. No...

CVE-2026-34339: NULL Pointer Dereference

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

CVE-2026-44305: Improper Certificate Validation

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-2026-44304: Improper Neutralization of Special Elements used in an LDAP Query

Lemur manages TLS certificate creation. Prior to 1.9.0, Lemur's LDAP authentication module lemur/auth/ldap.py constructs LDAP search filters using unsanitized user input via Python string interpolation. An authenticated LDAP user can inject LDAP filter metacharacters through the username field to...

CVE-2026-27851: Improper Handling of Extra Parameters

When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe data to be unescaped. This can enable SQL / LDAP injection attacks when used in authentication. Avoid using safe filter until on fixed version. No...

PT-2026-40024

Name of the Vulnerable Software and Affected Versions dovecot versions prior to 2.4.4-1.1 Description When the safe filter is used with variable expansion, subsequent pipelines on the same string are incorrectly treated as safe. This behavior allows unsafe data to be unescaped, which can lead to...

lemur 注入漏洞

Lemur is an open-source TLS certificate management tool developed by Netflix, Inc. Versions of Lemur prior to 1.9.0 contained a injection vulnerability. This vulnerability stemmed from the LDAP authentication module using uncleaned user input to construct LDAP search filters, which could lead to...

lemur 信任管理问题漏洞

Lemur is an open-source TLS certificate management tool developed by Netflix, Inc. Versions of Lemur prior to 1.9.0 contained a vulnerability related to trust management. This vulnerability stemmed from unconditional disabling of TLS certificate verification when LDAP TLS was enabled, which could...