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 Zabbix

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

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 Bouncycastle

The Bouncy Castle For Java version prior to 1.74 is affected by an LDAP injection vulnerability. This vulnerability only affects applications that use the LDAP CertStore provided by Bouncy Castle to validate X.509 certificates. During the certificate validation process, Bouncy Castle inserts the...

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...

EUVD-2026-38208

Central Dogma: LDAP injection in SearchFirstActiveDirectoryRealm enables authentication confusion and audit log evasion...

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...

LDAP Injection

Overview org.apache.zeppelin:zeppelin-server is a web-based notebook that enables interactive data analytics. You can make beautiful data-driven, interactive and collaborative documents with SQL, Scala and more. Affected versions of this package are vulnerable to LDAP Injection through the...

CVE-2026-44617

Apache Zeppelin versions 0.11.1 , 0.11.2 , and 0.12.0 are vulnerable to an LDAP filter injection vulnerability within the LdapRealm component. The root cause is that the software used RFC 4514 distinguished-name escaping instead of the required RFC 4515 filter escaping when constructing search fi...

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...

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...

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 ...

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...