PT-2026-45155

Name of the Vulnerable Software and Affected Versions RT versions prior to 5.0.10 RT versions 6.0.0 through 6.0.2 Description An information disclosure and privilege escalation issue exists in the REST 2.0 API. A privileged user without administrative rights can obtain authentication credentials ...

CVE-2026-45675

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-2026-29966

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 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-2026-39455

CVE-2026-39455 affects the BIG-IP Configuration utility when LDAP authentication is used. Undisclosed traffic can cause the httpd process to exhaust file descriptors, leading to a denial‑of‑service where the Configuration utility stops responding until httpd is restarted. Exploitation: remote, un...

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...

USN-8136-2: Dovecot regression

USN-8136-1 fixed vulnerabilities in Dovecot. The update caused a regression on Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Dovecot incorrectly handled invalid base64 SASL data. An...

CVE-2026-40606

mitmproxy is a interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers and mitmweb is a web-based interface for mitmproxy. In mitmproxy 12.2.1 and below, the builtin LDAP proxy authentication does not correctly sanitize the username when querying the LDAP...

CVE-2026-33432

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions up to and including 8.2.8.2, when LDAP authentication is enabled, Roxy-WI constructs an LDAP search filter by directly concatenating the user-supplied login username into the filter string without...

Roxy-WI 安全漏洞

Roxy-WI is an open-source web interface designed for managing Haproxy, Nginx, and Keepalived servers. Roxy-WI versions 8.2.8.2 and earlier contain security vulnerabilities. These vulnerabilities stem from the lack of escaping special characters in usernames during LDAP authentication, which could...

PT-2026-41203

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description LDAP and OAuth authentication flows use a Time-of-Check-Time-of-Use TOCTOU pattern—a race condition where a system checks a condition and then uses the result of that check, but the condition...

CVE-2026-28808

CVE-2026-28808 is an incorrect authorization vulnerability in Erlang OTP (inets modules). The root cause is a script_alias path mismatch where mod_auth checks DocumentRoot-relative paths while mod_cgi executes ScriptAlias-resolved paths, allowing unauthenticated access to CGI scripts protected by...

CVE-2026-28808 ScriptAlias CGI targets bypass directory auth in inets httpd (mod_auth vs mod_cgi path mismatch)

Incorrect Authorization vulnerability in Erlang OTP inets modules allows unauthenticated access to CGI scripts protected by directory rules when served via scriptalias. When scriptalias maps a URL prefix to a directory outside DocumentRoot, modauth evaluates directory-based access controls agains...

UBUNTU-CVE-2026-27860

If authusernamechars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out authusernamechars, or install fixed version. No publicly available exploits are...

EUVD-2026-15944

n8n: LDAP Email-Based Account Linking Allows Privilege Escalation and Account Takeover...

User Impersonation

Overview n8n is a n8n Workflow Automation Tool 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 administrative accounts, by setting their...

CVE-2026-33665

n8n LDAP email-based account linking vulnerability (CVE-2026-33665) affects n8n Open Source Workflow Automation Platform prior to versions 2.4.0 and 1.121.0. When LDAP authentication is enabled, the system automatically linked an LDAP identity to an existing local account if the LDAP email attrib...

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...

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...

PT-2026-28078

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...