CVE-2026-34578: Improper Neutralization of Special Elements used in an LDAP Query

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 ...

USN-8136-1 dovecot vulnerabilities

It was discovered that Dovecot incorrectly handled invalid base64 SASL data. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10. CVE-2025-59028 It was discovered that Dovecot script decode2text.sh incorrectly handled zip files. An attacke...

CVE-2026-27860: Improper Neutralization of Special Elements used in an LDAP Query

If authusernamechars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out authusernamechars, or install fixed version. No publicly available exploits are...

CVE-2026-33665

n8n is an open source workflow automation platform. Prior to versions 2.4.0 and 1.121.0, when LDAP authentication is enabled, n8n automatically linked an LDAP identity to an existing local account if the LDAP email attribute matched the local account's email. An authenticated LDAP user who could...

User Impersonation

Overview @n8n/rest-api-client is a This package contains the REST API calls for n8n. Affected versions of this package are vulnerable to User Impersonation in the account linking when LDAP authentication is enabled. An attacker can gain unauthorized access to another user's account, including...

CVE-2026-33665

n8n is an open source workflow automation platform. Prior to versions 2.4.0 and 1.121.0, when LDAP authentication is enabled, n8n automatically linked an LDAP identity to an existing local account if the LDAP email attribute matched the local account's email. An authenticated LDAP user who could...

CVE-2026-33665 n8n: LDAP Email-Based Account Linking Allows Privilege Escalation and Account Takeover

n8n is an open source workflow automation platform. Prior to versions 2.4.0 and 1.121.0, when LDAP authentication is enabled, n8n automatically linked an LDAP identity to an existing local account if the LDAP email attribute matched the local account's email. An authenticated LDAP user who could...

CVE-2026-33665: Improper Authentication

n8n is an open source workflow automation platform. Prior to versions 2.4.0 and 1.121.0, when LDAP authentication is enabled, n8n automatically linked an LDAP identity to an existing local account if the LDAP email attribute matched the local account's email. An authenticated LDAP user who could...

GHSA-JV87-32HW-HH99 MinIO LDAP login brute-force via user enumeration and missing rate limit

Impact What kind of vulnerability is it? Who is impacted? MinIO AIStor's STS Security Token Service AssumeRoleWithLDAPIdentity endpoint is vulnerable to LDAP credential brute-forcing due to two combined weaknesses: 1 distinguishable error responses that enable username enumeration, and 2 absence ...

CVE-2026-31828 Parse Server has an LDAP injection via unsanitized user input in DN and group filter construction

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.13 and 8.6.26, the LDAP authentication adapter is vulnerable to LDAP injection. User-supplied input authData.id is interpolated directly into LDAP Distinguished Names DN an...

CVE-2026-31828: Improper Neutralization of Special Elements used in an LDAP Query

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.13 and 8.6.26, the LDAP authentication adapter is vulnerable to LDAP injection. User-supplied input authData.id is interpolated directly into LDAP Distinguished Names DN an...

Security Bulletin: Multiple vulnerabilties affects IBM DB2 Data Management Console

Summary sshd-common-2.10.0.jar, dompurify-2.2.7.tgz, derby-10.16.1.1.jar, ion-java-1.2.0.jar dependency packages are being used by IBM Db2 Data Management Console. This bulletin describes the upgrades necessary to address the vulnerability. Vulnerability Details CVEID:CVE-2024-41909 DESCRIPTION:...

Apache Druid Authentication Bypass Vulnerability

Apache Druid is the United States Apache Apache Foundation of a use of the Java language , written in column-oriented open source distributed database . Apache Druid has a security vulnerability that originates from improper validation of LDAP authentication responses, which could lead to...

GHSA-Q672-HFC7-G833 Apache Druid Vulnerable to Authentication Bypass

Affected Products and Versions Apache Druid Affected Versions: 0.17.0 through 35.x all versions prior to 36.0.0 Prerequisites: druid-basic-security extension enabled LDAP authenticator configured Underlying LDAP server permits anonymous bind ...

CVE-2026-23906

Apache Druid versions 0.17.0 through 35.x are vulnerable to an authentication bypass when the druid-basic-security extension is enabled with an LDAP authenticator . If the underlying LDAP server permits anonymous binds , the system improperly validates the response, allowing an attacker to bypass...

CVE-2026-23906 Apache Druid: Authentication Bypass via LDAP Anonymous Bind

Affected Products and Versions Apache Druid Affected Versions: 0.17.0 through 35.x all versions prior to 36.0.0 Prerequisites: druid-basic-security extension enabled LDAP authenticator configured Underlying LDAP server permits anonymous bind ...

CVE-2026-22153: Authentication Bypass by Primary Weakness

An Authentication Bypass by Primary Weakness vulnerability CWE-305 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way...

CVE-2026-25560 WeKan < 8.19 LDAP Authentication Filter Injection

WeKan versions prior to 8.19 contain an LDAP filter injection vulnerability in LDAP authentication. User-supplied username input is incorporated into LDAP search filters and DN-related values without adequate escaping, allowing an attacker to manipulate LDAP queries during authentication...

CVE-2023-29057

A valid XCC user's local account permissions overrides their active directory permissions under specific configurations. This could lead to a privilege escalation. To be vulnerable, LDAP must be configured for authentication/authorization and logins configured as “Local First, then LDAP”...

CVE-2022-37397

An issue was discovered in the YugabyteDB 2.6.1 when using LDAP-based authentication in YCQL with Microsoft’s Active Directory. When anonymous or unauthenticated LDAP binding is enabled, it allows bypass of authentication with an empty password...