zookeeper: Apache ZooKeeper: Improper certificate validation in FIPS mode allows quorum compromise

A flaw was found in Apache ZooKeeper. When operating in FIPS Federal Information Processing Standards mode with specific Transport Layer Security TLS settings enabled, ZooKeeper's quorum communication fails to properly verify the hostname of peer certificates. This vulnerability allows a maliciou...

CLEANSTART-2026-WF82140 Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments

CVE-2026-59969 affects multiple packages. Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. See references for individual vulnerability details...

CLEANSTART-2026-NB78178 Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments

CVE-2026-59969 affects multiple packages. Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. See references for individual vulnerability details...

Security Bulletin: IBM SPSS Modeler is affected by multiple vulnerabilities in Apache ZooKeeper

Summary IBM SPSS Modeler is affected by multiple vulnerabilities in Apache ZooKeeper. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-59739 DESCRIPTION: Information disclosure via SetWatches reconnect replay in Apache ZooKeeper due to missing ACL check. An...

RHLW-2026-EE4B4A9CCFE02127 Lightwell Security Advisory: zookeeper 3.5.8.rhlw-00001

Red Hat Lightwell has released org.apache.zookeeper:zookeeper 3.5.8.rhlw-00001 with a backported security fix. CVE-2023-44981: Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication This patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper 3.5.8 from Mav...

RHLW-2026-27CC0B801A76F59B Lightwell Security Advisory: zookeeper 3.5.7.rhlw-00001

Red Hat Lightwell has released org.apache.zookeeper:zookeeper 3.5.7.rhlw-00001 with a backported security fix. CVE-2023-44981: Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication This patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper 3.5.7 from Mav...

RHLW-2026-1716354E811DCC0A Lightwell Security Advisory: zookeeper 3.5.9.rhlw-00001

Red Hat Lightwell has released org.apache.zookeeper:zookeeper 3.5.9.rhlw-00001 with a backported security fix. CVE-2023-44981: Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication This patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper 3.5.9 from Mav...

RHLW-2026-94BFC0F50BBF8711 Lightwell Security Advisory: zookeeper 3.4.14.rhlw-00001

Red Hat Lightwell has released org.apache.zookeeper:zookeeper 3.4.14.rhlw-00001 with a backported security fix. CVE-2023-44981: Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication This patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper 3.4.14 from...

Security Bulletin:Vulnerabilities exists in Zookeeper package used by IBM Netezza Appliance

Summary Vulnerabilities identified in IBM Netezza Appliance have been addressed in the latest security patch release of NPS. Vulnerability Details CVEID:CVE-2026-59739 DESCRIPTION: Information disclosure via SetWatches reconnect replay in Apache ZooKeeper due to missing ACL check. An attacker can...

RHLW-2026-0D09FAEDDB529ACC Lightwell Security Advisory: zookeeper-jute 3.5.9.rhlw-00001

Red Hat Lightwell has released org.apache.zookeeper:zookeeper-jute 3.5.9.rhlw-00001 with a backported security fix. CVE-2023-44981: Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication This patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper-jute 3.5....

RHLW-2026-93F19CE4E79AD4F9 Lightwell Security Advisory: zookeeper-jute 3.5.8.rhlw-00001

Red Hat Lightwell has released org.apache.zookeeper:zookeeper-jute 3.5.8.rhlw-00001 with a backported security fix. CVE-2023-44981: Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication This patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper-jute 3.5....

RHLW-2026-7EAC4E5EC1CCA641 Lightwell Security Advisory: zookeeper-jute 3.5.7.rhlw-00001

Red Hat Lightwell has released org.apache.zookeeper:zookeeper-jute 3.5.7.rhlw-00001 with a backported security fix. CVE-2023-44981: Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication This patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper-jute 3.5....

RHLW-2026-09AD7CE59E9C497A Lightwell Security Advisory: zookeeper-jute 3.4.14.rhlw-00001

Red Hat Lightwell has released org.apache.zookeeper:zookeeper-jute 3.4.14.rhlw-00001 with a backported security fix. CVE-2023-44981: Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication This patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper-jute...

CLEANSTART-2026-XH38250 Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments

CVE-2026-59969 affects multiple packages. Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. See references for individual vulnerability details...

CLEANSTART-2026-JQ32755 Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments

Security vulnerability affects the spark package. Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments...

BIT-RABBITMQ-2026-66076 RabbitMQ: Cross-vhost quorum-queue status and stream tracking disclosure

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, isauthorized/2 calls rabbitmgmtutil:isauthorized/2, which checks only the management tag, instead of isauthorizedvhost/2. The /api/queues/quorum/:vhost/:queue/status handler reads the vhost...

MIRROR: Multipath Quorum Integrity for LLM Multi-Agent Communication

Inter-agent communication is central to Large Language Model Multi-Agent Systems LLM-MAS, but it introduces an underexplored vulnerability: Agent-in-the-Middle AiTM attacks that manipulate messages in transit without compromising the agents themselves. Prior work reports Attack Success Rates ASR...

PT-2026-105161

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, is authorized/2 calls rabbit mgmt util:is authorized/2, which checks only the management tag, instead of is authorized vhost/2. The /api/queues/quorum/:vhost/:queue/status handler reads the...

SUSE CVE-2026-66076

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, isauthorized/2 calls rabbitmgmtutil:isauthorized/2, which checks only the management tag, instead of isauthorizedvhost/2. The /api/queues/quorum/:vhost/:queue/status handler reads the vhost...

CVE-2026-66076

A flaw was found in RabbitMQ. An authorization bypass vulnerability allows a management-tagged user to read Raft status, including leader, members, term, and commit index, for quorum queues in inaccessible virtual hosts vhosts. This exposes sensitive cross-tenant queue names and cluster topology...