NextCloud Access Control Vulnerability

Nextcloud is an open-source, self-hosted communication platform for file synchronization and sharing developed by the German company Nextcloud. In versions 1.3.6 to 8.4.0, there was a vulnerability related to access control. This vulnerability stemmed from improper checks, allowing users...

CVE-2026-41076

A flaw was found in RT, an open-source issue and ticket tracking system. This vulnerability allows a remote attacker to bypass authentication in RT installations configured to use LDAP/AD Lightweight Directory Access Protocol/Active Directory for user authentication. Under specific LDAP server...

CVE-2026-9801 Keycloak: keycloak: denial of service via malformed ldap password policy response

A flaw was found in Keycloak. A remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol LDAP server or an attacker compromising an upstream LDAP server, could exploit this vulnerability. By sending a malformed LDAP password...

PT-2026-44194

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw allows a remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol LDAP server or an attacker who has compromis...

CVE-2026-48917

CVE-2026-48917 affects Jenkins LDAP Plugin (807.v7d7de30930cf and earlier). The issue is that it deserializes data from LDAP referrals without validation, with CVSS 3.1 base score 6.6 (Medium) and impacts on confidentiality, integrity, and availability rated High. Exploitation details are not pro...

CVE-2026-44052

Netatalk 2.1.0 through 4.4.2 inserts LDAP simple-bind passwords into log output in cleartext, which allows an attacker with access to the log files to obtain LDAP credentials...

Astra Linux - уязвимость в 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...

CVE-2026-44551

Open WebUI vulnerability CVE-2026-44551: before version 0.9.0, the LDAP authentication endpoint does not validate non-empty passwords, allowing an unauthenticated Simple Bind on many LDAP servers. The LdapForm model accepts password: str without a minimum length, so an empty string can reach the ...

CVE-2026-34339

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

EUVD-2026-29966

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not...

PT-2026-40640

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.2 F5 BIG-IP versions prior to 17.5.1.6 F5 BIG-IP versions prior to 21.0.0.2 Description When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication,...

CVE-2026-34339

Technical details about CVE-2026-34339 (Windows LDAP denial of service) are not publicly available in the provided connected documents. Monitor for updates from Microsoft/NVD for affected products, vectors, and fixes.

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

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PT-2026-40158

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

ldap3_proto has LDAP Filter stack exhaustion

Impact LDAP queries are not validated for depth, which can cause the parser both PEG and ASN to exhaust the stack. This may cause a denial of service in applications that process queries. Workarounds N/A Resources Related to GHSA-r5fr-9gmv-jggh...

JLSEC-2026-428 When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a cross...

When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a cross-protocol redirect to a second URL that uses an IMAP, LDAP, POP3 or SMTP scheme, curl might wrongly pass on the bearer token to the new target host...

Astra Linux - уязвимость в samba

An information leak vulnerability was discovered in Samba's LDAP server. Due to missing access control checks, an authenticated but unprivileged attacker could discover the names and preserved attributes of deleted objects in the LDAP store...

LDAP Injection

Overview mitmproxy is an interactive, SSL/TLS-capable intercepting proxy with a console interface for HTTP/1, HTTP/2, and WebSockets. Affected versions of this package are vulnerable to LDAP Injection through the Ldap authentication handler in mitmproxy/addons/proxyauth.py. An attacker can...

CVE-2026-34578 OPNsense has an LDAP Injection via Unsanitized Username in Authentication

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldapescape. An unauthenticated attacker can inject LDAP filter metacharacters into the username field ...

org.apache.cxf/cxf: CXF JMS Code Execution Vulnerability

A flaw was found in org.apache.cxf/cxf, where untrusted users can configure JMS to allow the specification of RMI or LDAP URLs, possibly leading to code execution. This vulnerability allows an attacker to provide malicious protocol URLs during JMS configuration...