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...

Astra Linux – Vulnerability in Samba

A vulnerability related to information leaks was discovered in Samba’s LDAP server. Due to missing access control checks, a authenticated but unprivileged attacker could discover the names and preserved attributes of deleted objects in the LDAP store...

Astra Linux – Vulnerability in Derby

A cleverly designed username can bypass LDAP authentication checks. In LDAP-authenticated Derby installations, this could allow an attacker to create unnecessary Derby databases, thereby filling up storage space. In LDAP-authenticated Derby installations, the attacker could also execute malware...

Astra Linux – Vulnerability in curl

There is an improper authentication vulnerability in curl versions 7.33.0 through and including 7.82.0. This vulnerability may allow for the reuse of OAUTH2-authenticated connections without ensuring that the connection was authentically verified with the same credentials used for this transfer...

Astra Linux – Vulnerability in Zabbix

The request to LDAP is sent before checking the user permissions...

sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation

A flaw was found in SSSD's LDAP sudo provider. When the ldapsudosearchbase option is not explicitly configured, SSSD searches the entire LDAP directory tree for sudoRole objects. An authenticated attacker with write access to any subtree can inject a sudoRole object granting root-level sudo...

EUVD-2026-52022

In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper...

CVE-2026-59652 LDAP filter injection in legacy jdk1.4 LDAPStoreHelper

In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper...

PT-2026-67245

In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper...

CVE-2026-44617

Apache Zeppelin (LdapRealm) has a LDAP filter injection issue due to escaping using RFC 4514 (DN escaping) instead of RFC 4515 filter escaping. This incomplete fix affects Zeppelin versions 0.11.1, 0.11.2, and 0.12.0 and is a partial remediation of CVE-2024-31867. Upgrading to version 0.12.1 is r...

CVE-2026-44616 Apache Zeppelin: LDAP injection in ActiveDirectoryGroupRealm filter construction

LDAP injection vulnerability in Apache Zeppelin. ActiveDirectoryGroupRealm constructed LDAP search filters without escaping user-controlled input, allowing an authenticated attacker to inject LDAP filter syntax through the user-search endpoint and potentially expose directory...

[slackware-security] samba

New samba packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: extra/samba-4.22.11-i586-1slack15.0.txz: Upgraded. This is a security release in order to address the following defects: TSIG packet with name compressi...

RockyLinux 8 : sssd (RLSA-2026:46990)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:46990 advisory. sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation CVE-2026-14474 sssd: sssd:...

ALSA-2026:46990 Important: sssd security, bug fix, and enhancement update

The System Security Services Daemon SSSD service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch NSS and the Pluggable Authentication Modules PAM interfaces toward the system, and a pluggable back-end system ...

PT-2026-65628

A flaw was found in Samba's internal DNS server where unauthenticated TKEY registration requests were added to the TKEY name cache before being rejected. A remote, unauthenticated attacker can exploit this behavior by sending a large number of TKEY requests with arbitrary names, exhausting the...

BIT-OPENBAO-2025-55001 OpenBao LDAP MFA Enforcement Bypass When Using Username As Alias

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 2.3.1 and below, OpenBao allowed the assignment of policies and MFA attribution based upon entity aliases, chosen by the underlying auth method. Whe...

OESA-2026-3150 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

OESA-2026-3128 389-ds-base security update

389-ds-base is an LDAPv3 compliant server which includes the LDAP server and command line utilities for server administration. Security Fixes: A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per...

EUVD-2026-46834

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware component: OUD Core. Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows high privileged attacker with network access via LDAP to compromise Oracle Unified...

EUVD-2026-46820

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware component: OUD Core. The supported version that is affected is 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via LDAP to compromise Oracle Unified Directory. While t...