tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration

A flaw was found in Apache Tomcat. When the JNDIRealm was configured to authenticate binds using GSSAPI, an attacker could exploit a missing critical step in the authentication process. This allowed the attacker to bypass password verification and authenticate without providing the correct...

macOS 15.x < 15.8 Multiple Vulnerabilities (149043)

The remote host is running a version of macOS / Mac OS X that is 15.x prior to 15.8. It is, therefore, affected by multiple vulnerabilities: - A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue is...

K000163271: libssh vulnerabilities CVE-2026-59849 and CVE-2026-59851

Security Advisory Description CVE-2026-59849 A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service...

Security Bulletin: Multiple Vulnerabilities in IBM API Connect

Summary Multiple vulnerabilities were addressed in IBM API Connect version 10.0.8.12 Vulnerability Details CVEID:CVE-2026-2303 DESCRIPTION: The mongo-go-driver repository contains CGo bindings for GSSAPI Kerberos authentication on Linux and macOS. The C wrapper implementation contains a heap...

CVE-2026-14681

A flaw was found in PostgreSQL. Improper enforcement of message integrity in PostgreSQL's GSSAPI Generic Security Service Application Program Interface support allows a user to negotiate GSSAPI contrary to pghba.conf rules by initiating a direct TLS Transport Layer Security connection. This enabl...

PostgreSQL 17.x < 17.11 / 18.x < 18.6 GSSAPI Improper Message Integrity Enforcement

The version of PostgreSQL installed on the remote host is 17 prior to 17.11 or 18 prior to 18.6. As such, it is potentially affected by a security bypass vulnerability: - Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.con...

CVE-2026-56854 Source-address critical option not enforced for non-public-key auth callbacks in golang.org/x/crypto/ssh

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

CVE-2026-75159

An unauthenticated client that can reach a MongoDB Connector for BI deployment configured with Kerberos authentication may cause mongosqld to terminate when a crafted authentication exchange encounters a specific GSSAPI error-handling condition. This can interrupt BI Connector availability until...

CVE-2026-75159 MongoDB BI Connector Improper Memory Handling During Failed Kerberos Authentication May Cause Process Termination

An unauthenticated client that can reach a MongoDB Connector for BI deployment configured with Kerberos authentication may cause mongosqld to terminate when a crafted authentication exchange encounters a specific GSSAPI error-handling condition. This can interrupt BI Connector availability until...

EUVD-2026-67083

An unauthenticated client that can reach a MongoDB Connector for BI deployment configured with Kerberos authentication may cause mongosqld to terminate when a crafted authentication exchange encounters a specific GSSAPI error-handling condition. This can interrupt BI Connector availability until...

CVE-2026-75159

CVE-2026-75159 affects MongoDB Connector for BI (mongosqld) deployments configured with Kerberos authentication . An unauthenticated, network-reachable client can trigger a specific GSSAPI error-handling condition during a crafted authentication exchange, causing mongosqld to terminate. This inte...

CVE-2026-75159 MongoDB BI Connector Improper Memory Handling During Failed Kerberos Authentication May Cause Process Termination

An unauthenticated client that can reach a MongoDB Connector for BI deployment configured with Kerberos authentication may cause mongosqld to terminate when a crafted authentication exchange encounters a specific GSSAPI error-handling condition. This can interrupt BI Connector availability until...

MongoDB BI Connector Improper Memory Handling During Failed Kerberos Authentication May Cause Process Termination

An unauthenticated client that can reach a MongoDB Connector for BI deployment configured with Kerberos authentication may cause mongosqld to terminate when a crafted authentication exchange encounters a specific GSSAPI error-handling condition. This can interrupt BI Connector availability until...

CVE-2026-75159: Double Free

An unauthenticated client that can reach a MongoDB Connector for BI deployment configured with Kerberos authentication may cause mongosqld to terminate when a crafted authentication exchange encounters a specific GSSAPI error-handling condition. This can interrupt BI Connector availability until...

PT-2026-82549

Name of the Vulnerable Software and Affected Versions MongoDB Connector for BI affected versions not specified Description An unauthenticated client capable of reaching a deployment configured with Kerberos authentication can cause the mongosqld process to terminate. This occurs when a crafted...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: openssh (UTSA-2026-104819)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104819 advisory. sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was...

OESA-2026-3431 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was mishandled for GSSAPIAuthentication.CVE-2026-60000 sshd in...

OESA-2026-3429 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was mishandled for GSSAPIAuthentication.CVE-2026-60000 sshd in...

OESA-2026-3428 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.CVE-2026-59995 scp in OpenSSH before 10.4 may place a file in the...

The vulnerability of the GSSAPI component of the PostgreSQL database management system, related to errors in data type mixing, allows attackers to carry out “man-in-the-middle” attacks.

The vulnerability of the GSSAPI component in the PostgreSQL database management system is related to the lack of integrity checks during the transmission of messages through the communication channel. Exploiting this vulnerability allows a malicious actor to carry out “man-in-the-middle” attacks...