Vulnerabilities found in IBM Langflow OSS and IBM MQ Appliance

IBM has identified 12 vulnerabilities in IBM MQ, IBM MQ Appliance, and Langflow OSS. These vulnerabilities could allow for the execution of arbitrary code or commands. Four of these vulnerabilities are classified as critical and can be exploited without authentication or user interaction. The...

CVE-2026-10747

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication...

CVE-2026-10747 IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication...

EUVD-2026-83018

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication...

CVE-2026-10747

IBM MQ Appliance is vulnerable to a heap buffer overflow (CWE-122) in the queue manager's protocol message processing, exploitable before authentication over the network. An unauthenticated remote attacker with access to the listener port can trigger a denial of service or potentially achieve arb...

CVE-2026-10747 IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication...

CVE-2026-10747: Heap-based Buffer Overflow

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication...

Security Bulletin: IBM MQ Appliance is affected by a heap-based buffer overflow vulnerability (CVE-2026-10575)

Summary IBM MQ Appliance has addressed a heap-based buffer overflow vulnerability. Vulnerability Details CVEID:CVE-2026-10575 DESCRIPTION: IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when processing MQP...

Security Bulletin: IBM MQ Appliance is affected by an XML external entity injection vulnerability (CVE-2026-12666)

Summary IBM MQ Appliance has addressed an XML external entity injection vulnerability that could allow an authenticated attacker to obtain sensitive information or cause a denial of service when processing MQRFH2 headers. Vulnerability Details CVEID:CVE-2026-12666 DESCRIPTION: IBM MQ Classes for...

Security Bulletin: IBM MQ Appliance is affected by a deserialization filter bypass vulnerability (CVE-2026-10751)

Summary IBM MQ Appliance has addressed a deserialization filter bypass vulnerability that could allow an authenticated attacker to execute arbitrary code on client applications. Vulnerability Details CVEID:CVE-2026-10751 DESCRIPTION: IBM MQ Java and JMS client libraries could allow an authenticat...

Security Bulletin: IBM MQ Appliance is affected by an improper validation vulnerability (CVE-2026-10853)

Summary IBM MQ Appliance has addressed an improper validation vulnerability that could allow an authenticated attacker with cluster access to cause a denial of service or potentially execute arbitrary code due to improper validation of cluster command message lengths. Vulnerability Details...

Security Bulletin: IBM MQ Appliance is affected by a heap buffer underflow vulnerability (CVE-2026-10858)

Summary IBM MQ Appliance has addressed a heap buffer underflow vulnerability that could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code when processing multi-segment messages. Vulnerability Details CVEID:CVE-2026-10858 DESCRIPTION: IBM MQ could...

Security Bulletin: IBM MQ Appliance is affected by an improper authorization vulnerability (CVE-2026-10030)

Summary IBM MQ Appliance has addressed an improper authorization vulnerability that could allow an authenticated attacker to create and start queue managers. Vulnerability Details CVEID:CVE-2026-10030 DESCRIPTION: IBM MQ Console allows authenticated non-administrative users to create and start...

Security Bulletin: IBM MQ Appliance is affected by an integer overflow vulnerability (CVE-2026-11725)

Summary IBM MQ Appliance has addressed an integer overflow vulnerability. Vulnerability Details CVEID:CVE-2026-11725 DESCRIPTION: IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in MQINQ request processing...

Security Bulletin: IBM MQ Appliance is affected by an improper validation vulnerability in cluster migration data processing (CVE-2026-11716)

Summary IBM MQ Appliance has addressed an improper validation vulnerability in cluster migration data processing that could allow an authenticated attacker to cause a denial of service or execute arbitrary code during queue manager startup. Vulnerability Details CVEID:CVE-2026-11716 DESCRIPTION:...

Security Bulletin: IBM MQ Appliance is affected by a heap buffer overflow vulnerability (CVE-2026-11381)

Summary IBM MQ Appliance has addressed a heap buffer overflow vulnerability. Vulnerability Details CVEID:CVE-2026-11381 DESCRIPTION: IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution...

Security Bulletin: IBM MQ Appliance is affected by an integer overflow vulnerability in MQINQ request validation (CVE-2026-10744)

Summary IBM MQ Appliance has addressed an integer overflow vulnerability in MQINQ request validation that could allow an authenticated attacker to cause a denial of service or potentially escalate privileges. Vulnerability Details CVEID:CVE-2026-10744 DESCRIPTION: IBM MQ could allow an...

Security Bulletin: IBM MQ Appliance is affected by an improper validation vulnerability in TLS certificate processing (CVE-2026-12150)

Summary IBM MQ Appliance has addressed an improper validation vulnerability that could allow a remote attacker with a trusted TLS client certificate to cause a denial of service or affect memory contents through deeply nested certificate data during TLS certificate processing. Vulnerability Detai...

Security Bulletin: IBM MQ Appliance is affected by an integer overflow vulnerability in distribution list processing (CVE-2026-11378)

Summary IBM MQ Appliance has addressed an integer overflow vulnerability in distribution list processing that could allow an authenticated attacker to cause a denial of service or execute arbitrary code. Vulnerability Details CVEID:CVE-2026-11378 DESCRIPTION: IBM MQ could allow an authenticated...

Security Bulletin: IBM MQ Appliance is affected by an improper validation vulnerability in message header offset processing (CVE-2026-11726)

Summary IBM MQ Appliance has addressed an improper validation vulnerability in message header offset processing that could allow an authenticated attacker to obtain sensitive information or cause a denial of service. Vulnerability Details CVEID:CVE-2026-11726 DESCRIPTION: IBM MQ could allow an...