CVE-2026-34339 Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

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EUVD-2026-29473

An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocking one way of doing this, so there was still another way left open. In particular, the fix was for closing braces, but you could still use open braces to bypass t...

Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to deny service locally...

CVE-2026-42006

An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocking one way of doing this, so there was still another way left open. In particular, the fix was for closing braces, but you could still use open braces to bypass t...

Open-Xchange OX Dovecot Pro 安全漏洞

Open-Xchange OX Dovecot Pro is a mail storage and delivery system provided by the German company Open-Xchange. Open-Xchange OX Dovecot Pro has a security vulnerability. This vulnerability arises from the use of a security filter for variable expansion, where all subsequent pipes on the same strin...

KLA91040 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions, gain privileges, execute arbitrary code, obtain sensitive information. Below is a complete list of vulnerabilities: 1. A denial of...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the LDAP connectivity configuration component. An attacker can cause the server to initiate unintended outbound connections by supplying a malicious LDAP server during configuration or testing. This ...

CVE-2026-3048

Nexus Repository Manager (Sonatype) 3.x is affected: versions 3.0.0–3.91.1, when an authenticated administrator configures or tests LDAP connectivity, may initiate unintended server-side connections with a malicious LDAP server due to improper LDAP referral handling. No exploitation details or mi...

CVE-2026-3048 Nexus Repository 3 - Improper LDAP Referral Handling

An authenticated administrator who configures or tests LDAP connectivity in Sonatype Nexus Repository Manager versions 3.0.0 through 3.91.1 may be able to initiate unintended server-side connections when interacting with a malicious LDAP server...

Sonatype Nexus Repository Manager 代码问题漏洞

Sonatype Nexus Repository Manager NXRM is a repository manager developed by Sonatype, Inc., in the United States. It is primarily used for managing, storing, and distributing software. Versions of Sonatype Nexus Repository Manager from 3.0.0 to 3.91.1 contained code vulnerabilities. These...

DEBIAN-CVE-2026-42258

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. This issue has been patched ...

CVE-2026-42245

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are...

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...

bouncycastle: BC-JAVA: LDAP injection vulnerability in LDAPStoreHelper.java

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcprov. The LDAPStoreHelper implementation fails to properly neutralize special elements in user-supplied input before incorporating them into LDAP queries. This allows a remote attacker to execute an LDAP injection attack by supplying...

Agent389

Agent389 Agent389 is a professional, high-fidelity LDAP inje...

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...

EUVD-2026-24947

Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees...

CVE-2026-33609

Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees...

PYSEC-2026-92

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-2026-40606 ProxyAuth Addon LDAP Injection in mitmproxy

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...