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...

Security Bulletin: IBM MQ Appliance is affected by a stack buffer overflow vulnerability in XA transaction identifier processing (CVE-2026-11375)

Summary IBM MQ Appliance has addressed a stack buffer overflow vulnerability that could allow an authenticated attacker to cause a denial of service or execute arbitrary code through malformed XA transaction identifiers. Vulnerability Details CVEID:CVE-2026-11375 DESCRIPTION: IBM MQ could allow a...

Security Bulletin: IBM MQ Appliance is affected by a buffer overflow vulnerability in compressed data channel processing (CVE-2026-10027)

Summary IBM MQ Appliance has addressed a buffer overflow vulnerability that could allow a remote attacker to cause a denial of service or execute arbitrary code by sending malformed compressed data on channels configured with compression enabled. Vulnerability Details CVEID:CVE-2026-10027...

Security Bulletin: IBM MQ Appliance is affected by vulnerabilities in IBM WebSphere Application Server Liberty

Summary IBM MQ Appliance has addressed multiple vulnerabilities in IBM WebSphere Application Server Liberty. Vulnerability Details CVEID:CVE-2026-11541 DESCRIPTION: IBM CICS Transaction Gateway for Multiplatforms 9.1, 9.2, 9.3, and 10.1 IBM WebSphere Application Server 9.0, and 8.5 and IBM...

Security Bulletin: IBM MQ Appliance is affected by multiple JavaScript Node.js vulnerabilities

Summary IBM MQ Appliance has addressed multiple JavaScript Node.js vulnerabilities. Vulnerability Details CVEID:CVE-2026-44486 DESCRIPTION: Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios’ Node.js HTTP adapter can leak proxy credentials to a...

Security Bulletin: IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing (CVE-2026-10747)

Summary IBM MQ Appliance has addressed a heap buffer overflow vulnerability in protocol message processing that could allow a remote attacker to cause a denial of service or execute arbitrary code prior to authentication. Vulnerability Details CVEID:CVE-2026-10747 DESCRIPTION: IBM MQ could allow ...

Security Bulletin: IBM Terracotta is affected by undertow vulnerabilities that could allow unauthenticated attackers to bypass client certificate authentication via forged AJP attributes and trigger a Denial of Service (DoS)

Summary IBM Terracotta uses undertow as an embedded web server. Vulnerability Details CVEID:CVE-2026-15554 DESCRIPTION: the Undertow AJP listener honours forged sslcert and isssl AJP attributes without requiring any shared-secret authentication. This enables an unauthenticated attacker with direc...

Security Bulletin: The Hub App for IBM QRadar SIEM contains components with known vulnerabilities

Summary The product includes vulnerable components e.g., framework libraries that could be identified and exploited with automated tools. Hub App for IBM QRadar SIEM has addressed the applicable CVEs in an update. Vulnerability Details CVEID:CVE-2026-42033 DESCRIPTION: Axios is a promise based HT...

Security Bulletin: IBM MQ Appliance is affected by a security bypass (CVE-2026-5516)

Summary IBM MQ Appliance has addressed a security bypass vulnerability. Vulnerability Details CVEID:CVE-2026-5516 DESCRIPTION: IBM WebSphere Application Server - Liberty 22.0.0.11 through 26.0.0.5 IBM WebSphere Application Server Liberty could allow a remote attacker to bypass security under...

Security Bulletin: IBM Terracotta is affected by jackson-core vulnerabilities that could allow attackers to trigger a denial of service via memory or CPU exhaustion by supplying arbitrarily long numbers

Summary IBM Terracotta uses jackson-core as a foundational Java library for parsing and generating JSON data. Vulnerability Details CVEID:CVE-2026-18401 DESCRIPTION: The non-blocking asynchronous JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in...

Security Bulletin: IBM Terracotta is affected by jackson-databind vulnerabilities that could allow attackers to bypass validation mechanisms, trigger unauthorized DNS queries, or overwrite ignored property filters

Summary IBM Terracotta uses jackson-databind for convert Java objects to JSON serialization and JSON data back into Java objects deserialization within the product. Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and...

SUSE-SU-2026:3835-1 Security update for openssl, openssl-3

This update for openssl, openssl-3 fixes the following issues: OpenSSL is updated to 3.5.0 in SLE-15-SP7: jscPED-16072 Enables Post-Quantum Cryptography PQC TLS support Security issues fixed: CVE-2026-42764: NULL pointer dereference in QUIC server initial packet handling bsc1266347 CVE-2026-34182...

K000163276: Linux kernel vulnerability CVE-2026-53399

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4allocstid publishes the new stid into cl-clstateids via idralloccyclic under cllock before returning to nfsd4alloclayoutstateid. When...

Open WebUI: Inaccessible knowledge bases are exposed through the built-in knowledge tool on most vector backends

Summary The built-in knowledge search tool returns knowledge bases the calling user has no access to. The tool works out which knowledge bases the caller may read and hands that set to the vector store as a search filter, and that filter is the only access control on the path. Most of the shipped...

GHSA-PCVC-8VRV-8Q6W Open WebUI: Inaccessible knowledge bases are exposed through the built-in knowledge tool on most vector backends

Summary The built-in knowledge search tool returns knowledge bases the calling user has no access to. The tool works out which knowledge bases the caller may read and hands that set to the vector store as a search filter, and that filter is the only access control on the path. Most of the shipped...

GHSA-3PF7-Q2G3-WJ28 Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions

Summary The chat-completions endpoint reads a folder id out of the request body and saves the newly created chat into that folder without checking that the caller is allowed to write there. Any authenticated user who knows a folder's id can put a chat of their own into another user's folder,...

Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions

Summary The chat-completions endpoint reads a folder id out of the request body and saves the newly created chat into that folder without checking that the caller is allowed to write there. Any authenticated user who knows a folder's id can put a chat of their own into another user's folder,...

GHSA-4QG5-CXX4-G927 Open WebUI: Users denied by the OAuth domain allowlist or role policy can still sign in via token exchange

Summary Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without applying the email domain allowlist that the normal OAuth login callback enforces. An account whose email domain the login callback would refuse could still obtain a working session through thi...

Open WebUI: Users denied by the OAuth domain allowlist or role policy can still sign in via token exchange

Summary Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without applying the email domain allowlist that the normal OAuth login callback enforces. An account whose email domain the login callback would refuse could still obtain a working session through thi...