CVE-2026-10611 OTP bypass via plugin-based LDAP authentication in MISP when LDAP mixed authentication is enabled

An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement. In deployments configured with LdapAuth.mixedAuth=true and Security.requireotp=true, users authenticated through an authentication plugin, such as LDAP, may have their authenticat...

Debian dla-4611 : keystone - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4611 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4611-1 [email protected]...

CVE-2026-46745

Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability CWE-90 that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP...

F5 Networks BIG-IP : BIG-IP Configuration utility vulnerability (K000160874)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.2 / 17.5.1.6 / 21.0.0.2. It is, therefore, affected by a vulnerability as referenced in the K000160874 advisory. When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP...

CVE-2026-44551

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP authentication endpoint does not validate that the submitted password is non-empty before performing a Simple Bind against the LDAP server. The LdapForm Pydantic model accep...

CVE-2026-44551

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP authentication endpoint does not validate that the submitted password is non-empty before performing a Simple Bind against the LDAP server. The LdapForm Pydantic model accep...

CVE-2026-44551 Open WebUI: LDAP Empty Password Authentication Bypass

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP authentication endpoint does not validate that the submitted password is non-empty before performing a Simple Bind against the LDAP server. The LdapForm Pydantic model accep...

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...

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...

Unity Linux 20.1070e Security Update: mysql (UTSA-2026-017775)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017775 advisory. Vulnerability in the MySQL Server product of Oracle MySQL component: Server: Security: LDAP Auth. Supported versions that are affected are 5.7.31 and prior and 8.0.2...

Unity Linux 20.1070e Security Update: mysql (UTSA-2026-017776)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017776 advisory. Vulnerability in the MySQL Server product of Oracle MySQL component: Server: Security: LDAP Auth. Supported versions that are affected are 5.7.31 and prior and 8.0.2...

Unity Linux 20.1070e Security Update: mysql (UTSA-2026-017774)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017774 advisory. Vulnerability in the MySQL Server product of Oracle MySQL component: Server: Security: LDAP Auth. Supported versions that are affected are 8.0.21 and prior. Easily...

GHSA-2R4P-JPMG-48F4 Open WebUI has an LDAP Empty Password Authentication Bypass

LDAP Empty Password Authentication Bypass Affected Component LDAP authentication endpoint: - backend/openwebui/routers/auths.py lines 468-477, user bind with empty password - backend/openwebui/models/auths.py lines 58-60, LdapForm model Affected Versions Current main branch commit 6fdd19bf1 and...

Improper Authentication

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Improper Authentication in the LdapForm process. An attacker can gain unauthorized access to any LDAP user account, including administrative accounts, by submitting a valid username with an empty password to...

USN-8136-1 dovecot vulnerabilities

It was discovered that Dovecot incorrectly handled invalid base64 SASL data. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10. CVE-2025-59028 It was discovered that Dovecot script decode2text.sh incorrectly handled zip files. An attacke...

CVE-2026-33665

n8n is an open source workflow automation platform. Prior to versions 2.4.0 and 1.121.0, when LDAP authentication is enabled, n8n automatically linked an LDAP identity to an existing local account if the LDAP email attribute matched the local account's email. An authenticated LDAP user who could...

User Impersonation

Overview @n8n/rest-api-client is a This package contains the REST API calls for n8n. Affected versions of this package are vulnerable to User Impersonation in the account linking when LDAP authentication is enabled. An attacker can gain unauthorized access to another user's account, including...

CVE-2026-33665

n8n is an open source workflow automation platform. Prior to versions 2.4.0 and 1.121.0, when LDAP authentication is enabled, n8n automatically linked an LDAP identity to an existing local account if the LDAP email attribute matched the local account's email. An authenticated LDAP user who could...

CVE-2026-33665 n8n: LDAP Email-Based Account Linking Allows Privilege Escalation and Account Takeover

n8n is an open source workflow automation platform. Prior to versions 2.4.0 and 1.121.0, when LDAP authentication is enabled, n8n automatically linked an LDAP identity to an existing local account if the LDAP email attribute matched the local account's email. An authenticated LDAP user who could...