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...

[SECURITY] Fedora 44 Update: sssd-2.13.1-2.fc44

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...

389-ds-base: 389-ds-base: Heap buffer overflow in sasl_io_recv() via padded SASL UNBIND

A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. After a successful SASL bind with integrity protection SSF 0, an authenticated attacker can send a specially crafted oversized LDAP UNBIND packet that is copied into a 512-byte heap receive buffer...

CVE-2026-13696 LDAP Injection in HAVELSAN's Liman MYS

Improper neutralization of special elements used in an LDAP query 'LDAP injection' vulnerability in HAVELSAN Inc. Liman MYS allows LDAP Injection. This issue affects Liman MYS: before release.Master.1107...

CVE-2026-14474

SSSD (System Security Services Daemon) LDAP sudo provider is vulnerable when ldap_sudo_search_base is not configured; SSSD will search 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 ...

CVE-2026-1433

uniFLOW Universal Login Manager ULM Standalone contains an information disclosure vulnerability that may allow an authenticated administrator to access sensitive configuration information through the ULM Remote User Interface RUI. Exploitation requires administrative privileges and may disclose...

EUVD-2026-41848

uniFLOW Universal Login Manager ULM Standalone contains an information disclosure vulnerability that may allow an authenticated administrator to access sensitive configuration information through the ULM Remote User Interface RUI. Exploitation requires administrative privileges and may disclose...

BIT-ACTIVEMQ-2026-49434 Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: LdapNetworkConnector instantiates denied transports and a remote-properties broker

Improper Input Validation vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. An attacker that has access to publish or modify entries in LDAP that match the configured searchBase and searchFilter can instantiate denied transports inside the broker JVM. This can be used...

CVE-2026-13368

WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that...

PT-2026-55327

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS versions 11.0 through 11.12.4 Update1 WatchGuard Fireware OS versions 12.0 through 12.12 WatchGuard Fireware OS versions 2025.1 through 2026.2 Description A race condition leads to a use-after-free issue in LDAP...

UBUNTU-CVE-2026-57962

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and...

CVE-2026-57962

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and...

EUVD-2026-40861

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and...

Mozilla Thunderbird < 152.0.1

The version of Thunderbird installed on the remote Windows host is prior to 152.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-63 advisory. - An attacker who can send HTML chat messages via Matrix or XMPP can inject arbitrary styled content, phishing...

CVE-2026-49434

Improper Input Validation vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. An attacker that has access to publish or modify entries in LDAP that match the configured searchBase and searchFilter can instantiate denied transports inside the broker JVM. This can be used...

Security Bulletin: Multiple Vulnerabilities in bcprov package bundled with IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging, and IBM Fusion Content-Aware Storage

Summary IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging, and IBM Fusion Content-Aware Storage include bcprov library, which is susceptible to use of broken cryptographic algorithm, Improper neutralization, covert timing channel vulnerabilities CVE-2025-14813, CVE-2026-0636, CVE-2026-5598...

PYSEC-2026-435 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...

SUSE-SU-2026:22352-1 Security update for openssh

This update for openssh fixes the following issues Security fixes: - CVE-2026-3497: information disclosure or denial of service due to uninitialized variables bsc1259642. - CVE-2026-35388: omitted connection multiplexing confirmation for proxy-mode multiplexing sessions bsc1261441. - openssh...

CVE-2026-35025

ProFTPD versions affected: 1.3.9b and 1.3.10rc2. Issue: an access control bypass in the RNFR path handling allows authenticated FTP users to bypass Directory ACL restrictions by prefixing paths with /proc/self/root. Root cause: unresolved symlink components in dir_canonical_path() cause dir_check...

EUVD-2026-38208

A vulnerability has been identified in centraldogma-server-auth-shiro versions prior to 0.84.0, where the SearchFirstActiveDirectoryRealm substitutes the login username into an LDAP search filter without neutralizing LDAP filter metacharacters, allowing an unauthenticated attacker to manipulate t...