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-2026-44551 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...

Open WebUI 授权问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI based on the Open WebUI open source project. Versions of Open WebUI prior to 0.9.0 had an authorization vulnerability. This vulnerability stemmed from the LDAP authentication endpoint failing to verify that the submitt...

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...

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...

PT-2026-39268

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description Open WebUI fails to validate that passwords are non-empty before performing LDAP Simple Bind authentication. On LDAP servers that permit unauthenticated empty-password binds, an attacker can...

CVE-2026-41571

Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password:...

CVE-2026-41571 Note Mark: OIDC-registered users authenticated by submitting password "null"

Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password:...

CVE-2026-41571

CVE-2026-41571 affects Note Mark (v0.19.2) where IsPasswordMatch falls back to a hard-coded bcrypt("null") placeholder for users with no stored password. OIDC-registered users are created with an empty password, so submitting password: "null" to the internal login endpoint grants a valid session—...

CVE-2026-41571 Note Mark: OIDC-registered users authenticated by submitting password "null"

Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password:...

EUVD-2026-27051

Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password:...

Note Mark 授权问题漏洞

Note Mark is a web-based Markdown note-taking application developed by Leo Spratt. Version 0.19.2 of Note Mark contains an authorization vulnerability. This vulnerability stems from the IsPasswordMatch function falling back to a hardcoded bcrypt empty password placeholder, allowing unauthenticate...

Note Mark: OIDC-registered users authenticated by submitting password "null"

Summary IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password: "null" to the internal login endpoint receives a valid session for...

Unity Linux 20.1070e Security Update: freerdp (UTSA-2026-006941)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006941 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol RDP. In versions prior to 2.7.0, NT LAN Manager NTLM authentication does not properly abort when...

Silex SD-330AC和Silex AMC Manager 安全漏洞

Both the Silex SD-330AC and the Silex AMC Manager are products of the Japanese company Silex. The Silex SD-330AC is a device server that provides wireless network connectivity and the ability to share with USB devices. The Silex AMC Manager is a management software used for centralized management...

goshs has an empty-username SFTP password authentication bypass

Summary goshs contains an SFTP authentication bypass when the documented empty-username basic-auth syntax is used. If the server is started with -b ':pass' together with -sftp, goshs accepts that configuration but does not install any SFTP password handler. As a result, an unauthenticated network...

Apache Druid Authentication Bypass Vulnerability

Apache Druid is the United States Apache Apache Foundation of a use of the Java language , written in column-oriented open source distributed database . Apache Druid has a security vulnerability that originates from improper validation of LDAP authentication responses, which could lead to...

Authentication Bypass

org.apache.druid.extensions:druid-basic-security is vulnerable to an Authentication Bypass. The vulnerability is due to improper validation of LDAP authentication responses when anonymous binds are permitted, which allows an attacker to bypass authentication by supplying an existing username with...

Apache Druid 安全漏洞

Apache Druid is the United States Apache Apache Foundation of a use of the Java language , written in column-oriented open source distributed database . Apache Druid has a security vulnerability that originates from improper validation of LDAP authentication responses, which could lead to...