CVE-2026-18651

389 Directory Server is affected by a flaw where SASL PLAIN authentication installs connection-level bind credentials before checking if an account is locked, allowing continued privileged access on a connection after lock. The bound state is not reverted when a lock is detected, defeating accoun...

CVE-2026-18651 389-ds-base: 389-ds-base: sasl plain bind installs connection credentials before account-lock check, allowing continued access as a locked account

A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-level bind credentials before performing the account-lock check. If the account is subsequently found to be locked, the bind is reported as failed to the client, but the already-installed...

CVE-2026-18651: Improper Authentication

A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-level bind credentials before performing the account-lock check. If the account is subsequently found to be locked, the bind is reported as failed to the client, but the already-installed...

OpenDJ SASL PLAIN authzid bypassing the proxy ACI scope check

Summary When a SASL PLAIN bind supplies an authorization identity authzid that resolves to a different user, PlainSASLMechanismHandler verified only the PROXIEDAUTH privilege and never evaluated the "proxy" access-control right the mayProxy ACI scope check. As a result, any account holding the...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the SASL PLAIN authentication process. An attacker can gain unauthorized access to arbitrary directory user accounts by supplying an authorization identity authzid that resolves to a...

PT-2026-71721

Name of the Vulnerable Software and Affected Versions OpenDJ versions prior to 5.1.2 Description The SASL PLAIN authorization identity path in the PlainSASLMechanismHandler.java file fails to evaluate the mayProxy proxy ACI Access Control Instruction scope when an authorization identity resolves ...

PT-2026-67613

Summary When a SASL PLAIN bind supplies an authorization identity authzid that resolves to a different user, PlainSASLMechanismHandler verified only the PROXIED AUTH privilege and never evaluated the "proxy" access-control right the mayProxy ACI scope check. As a result, any account holding the...

Improper Authentication in Apache Kafka

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka...

CVE-2017-12610

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka...

User Impersonation

kafka-clients is vulnerable to user impersonation attacks. The vulnerabilities exists due to the lack of authentication checks in the SASL/PLAIN and SASL/SCRAM authentication methods using the built-in PLAIN or SCRAM server implementation in kafka-clients...

CVE-2017-12610

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka...

Authentication flaw

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka...

CVE-2017-12610

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka...

CVE-2017-12610

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka...

CVE-2017-12610

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka...

CVE-2017-12610: Improper Authentication

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka...

PT-2018-5434

Name of the Vulnerable Software and Affected Versions: Apache Kafka versions 0.10.0.0 through 0.10.2.1 Apache Kafka versions 0.11.0.0 through 0.11.0.1 Description: The issue allows authenticated Kafka clients to use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCR...

SLES10: Security update for cyrus-sasl

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: cyrus-sasl cyrus-sasl-crammd5 cyrus-sasl-devel cyrus-sasl-digestmd5 cyrus-sasl-gssapi cyrus-sasl-otp cyrus-sasl-plain cyrus-sasl-sqlauxprop More details may...

SLES11: Security update for cyrus-sasl

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: cyrus-sasl cyrus-sasl-crammd5 cyrus-sasl-digestmd5 cyrus-sasl-gssapi cyrus-sasl-otp cyrus-sasl-plain More details may also be found by searching for the SuSE...

SLES9: Security update for cyrus-sasl

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: cyrus-sasl cyrus-sasl-crammd5 cyrus-sasl-devel cyrus-sasl-digestmd5 cyrus-sasl-gssapi cyrus-sasl-otp cyrus-sasl-plain For more information, please visit the...