CVE-2026-67404

A flaw was found in rabbitmq-server. When the OAuth2 plugin fetches JWKS and no CA bundle is available, TLS verification silently falls back to verifynone. A man-in-the-middle attacker can forge the JWKS response, causing the broker to accept arbitrary JWTs. Mitigation Mitigation for this issue i...

PT-2026-105191

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, When no CA bundle is available, ssl options/1 falls back to verify, verify none with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the brok...

SUSE CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

Linux Distros Unpatched Vulnerability : CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls ba...

DEBIAN-CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

UBUNTU-CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-67404

RabbitMQ (messaging and streaming broker) is vulnerable to a security bypass in versions prior to 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0 . The root cause is that ssl_options/1 falls back to [{verify, verify_none}] without warning when no CA bundle is available. If the OAuth2 plugin is active w...

CVE-2026-67404 RabbitMQ: OAuth2 silent verify_none fallback for JWKS fetch

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-67404 RabbitMQ: OAuth2 silent verify_none fallback for JWKS fetch

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-67404 RabbitMQ: OAuth2 silent verify_none fallback for JWKS fetch

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

EUVD-2026-85631

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

PT-2026-97568

Name of the Vulnerable Software and Affected Versions RabbitMQ versions prior to 3.13.15 RabbitMQ versions prior to 4.0.20 RabbitMQ versions prior to 4.1.11 RabbitMQ versions prior to 4.2.6 RabbitMQ versions prior to 4.3.0 Description When no CA bundle is available, the ssl options/1 function fal...

CVE-2026-67404: Improper Certificate Validation

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-61397

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth2 authentication plugin and Google OAuth integration. This issue affects Apache CloudStack: from 4.19.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to...

EUVD-2026-63840

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth2 authentication plugin and Google OAuth integration. This issue affects Apache CloudStack: from 4.19.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to...

PT-2026-79323

Name of the Vulnerable Software and Affected Versions Apache CloudStack versions 4.19.0.0 through 4.20.3.0 Apache CloudStack versions 4.21.0.0 through 4.22.1.0 Description Exposure of sensitive information to an unauthorized actor occurs within the OAuth2 authentication plugin and Google OAuth...