Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : RabbitMQ Server vulnerabilities (USN-8933-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8933-1 advisory. It was discovered that RabbitMQ Server incorrectly handled CORS wildcard origin configuration...

USN-8933-1: RabbitMQ Server vulnerabilities

It was discovered that RabbitMQ Server incorrectly handled CORS wildcard origin configuration. An attacker could possibly use this issue to cause a cross-site request forgery attack. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04...

Microsoft Security Advisory CVE-2026-70194 - .NET and Visual Studio Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.Security. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. .NET 11 post-handshake TLS client...

BIT-RABBITMQ-2026-67231 RabbitMQ: Trust-store whitelist by Issuer+Serial only

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

PT-2026-105179

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, The trust-store plugin installs a verify fun that overrides bad cert, unknown ca / bad cert, selfsigned peer when the presented cert "matches" a whitelisted one. The match key is extract...

CentOS Linux 7 [TuxCare] Security Update: python / python-debug / python-devel / python-libs / python-test / etc Multiple Vulnerabilities (CENTOS7:CLSA-2024:1711491407)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2024:1711491407 advisory. - An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that...

SUSE CVE-2026-67231

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67231

A flaw was found in RabbitMQ. The trust-store plugin incorrectly validates client certificates by only matching the issuer name and serial number, rather than using the full certificate for path validation. This allows a remote attacker, who knows the issuer name and serial number of a whiteliste...

Linux Distros Unpatched Vulnerability : CVE-2026-67231

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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, The trust-store plugin installs a verifyfun that...

AZL-105290 CVE-2026-67231 affecting package rabbitmq-server 3.13.7-9

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

UBUNTU-CVE-2026-67231

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

DEBIAN-CVE-2026-67231

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67231

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67231

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67231

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67231 RabbitMQ: Trust-store whitelist by Issuer+Serial only

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67231

RabbitMQ (messaging and streaming broker) is vulnerable to a TLS client-authentication bypass in versions prior to 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0. When the trust-store plugin is enabled and used as the verify_fun, the system improperly validates certificates by matching only the Issuer...

EUVD-2026-85664

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67231 RabbitMQ: Trust-store whitelist by Issuer+Serial only

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67231 RabbitMQ: Trust-store whitelist by Issuer+Serial only

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...