CVE-2026-67239 RabbitMQ: Stored XSS via TLS peer-certificate DN in stream-management UI

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18 and 4.0.23 and 4.1.14 and 4.2.9 and 4.3.3, Stored XSS via TLS peer-certificate DN in stream-management UI sibling of V-11. lines 102/106/110 render peercertsubject / peercertissuer with raw and no fmtstring. RFC4514...

CVE-2026-67237

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, settokenauth/2 inserted a bearer token from the Authorization header or accesstoken cookie into OAuth bootstrap JavaScript without escaping, allowing attacker-controlled token content to execute JavaScript in the...

EUVD-2026-87148

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, settokenauth/2 inserted a bearer token from the Authorization header or accesstoken cookie into OAuth bootstrap JavaScript without escaping, allowing attacker-controlled token content to execute JavaScript in the...

CVE-2026-67237

The messaging and streaming broker RabbitMQ is vulnerable to a Reflected XSS flaw in versions 4.2.0 through 4.2.8 and 4.3.2 . The root cause is that the set_token_auth/2 function inserts a bearer token from the Authorization header or access_token cookie into OAuth bootstrap JavaScript without pr...

CVE-2026-67237 RabbitMQ: Reflected XSS via the OAuth bootstrap JS endpoint

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, settokenauth/2 inserted a bearer token from the Authorization header or accesstoken cookie into OAuth bootstrap JavaScript without escaping, allowing attacker-controlled token content to execute JavaScript in the...

CVE-2026-67237 RabbitMQ: Reflected XSS via the OAuth bootstrap JS endpoint

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, settokenauth/2 inserted a bearer token from the Authorization header or accesstoken cookie into OAuth bootstrap JavaScript without escaping, allowing attacker-controlled token content to execute JavaScript in the...

OESA-2026-4030 rabbitmq-server security update

RabbitMQ is an implementation of AMQP, the emerging standard for high performance enterprise messaging. The RabbitMQ server is a robust and scalable implementation of an AMQP broker. Security Fixes: RabbitMQ is a multi-protocol messaging and streaming broker. HTTP API did not enforce an HTTP...

PT-2026-98919

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 4.2.0 through 4.2.8 RabbitMQ versions 4.3.0 through 4.3.2 Description An information exposure occurs when OAuth2 authentication is enabled for the RabbitMQ Management UI and the configured Identity Provider IDP uses a client...

CVE-2026-67410: Exposure of Sensitive Information to an Unauthorized Actor

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.3.3 and 4.2.9, OAuth2 Client Secret Exposed via Unauthenticated JavaScript Endpoint CWE-200. when OAuth2 authentication is enabled for the RabbitMQ Management UI and the configured flow, IDP use a client secret, the oauthclientsecre...

PT-2026-98926

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 3.13.0 through 3.13.18 RabbitMQ versions 4.0.x prior to 4.0.24 RabbitMQ versions 4.1.x prior to 4.1.15 RabbitMQ versions 4.2.x prior to 4.2.10 RabbitMQ versions 4.3.x prior to 4.3.5 Description RabbitMQ Management renders an...

Linux Distros Unpatched Vulnerability : CVE-2026-67239

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. From 3.13.0 until 3.13.18 and 4.0.23 and 4.1.14 and 4.2.9 and 4.3.3, Stored XSS via TLS peer-certificate DN in...

Linux Distros Unpatched Vulnerability : CVE-2026-67237

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. From 4.2.0 until 4.2.8 and 4.3.2, settokenauth/2 inserted a bearer token from the Authorization header or...

CVE-2026-67239: Improper Neutralization of Input During Web Page Generation

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18 and 4.0.23 and 4.1.14 and 4.2.9 and 4.3.3, Stored XSS via TLS peer-certificate DN in stream-management UI sibling of V-11. lines 102/106/110 render peercertsubject / peercertissuer with raw and no fmtstring. RFC4514...

PT-2026-98912

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 3.13.0 through 3.13.17 RabbitMQ versions 4.0.x through 4.0.22 RabbitMQ versions 4.1.x through 4.1.13 RabbitMQ versions 4.2.x through 4.2.8 RabbitMQ versions 4.3.x through 4.3.2 Description Stored Cross-Site Scripting XSS exis...

CVE-2026-67237: Improper Neutralization of Input During Web Page Generation

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, settokenauth/2 inserted a bearer token from the Authorization header or accesstoken cookie into OAuth bootstrap JavaScript without escaping, allowing attacker-controlled token content to execute JavaScript in the...

PT-2026-98911

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 4.2.0 through 4.2.7 RabbitMQ versions 4.3.0 through 4.3.1 Description The set token auth/2 function inserts a bearer token from the Authorization header or access token cookie into OAuth bootstrap JavaScript without proper...

CVE-2026-67421: Missing Authorization

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.19, 4.0.24, 4.1.15, 4.2.10, and 4.3.5, RabbitMQ Management rendered an AMQP authorization-error reason containing an attacker-controlled queue name as HTML when the OAuth management UI was enabled. Exploitation requires an...

Linux Distros Unpatched Vulnerability : CVE-2026-67421

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. From 3.13.0 until 3.13.19, 4.0.24, 4.1.15, 4.2.10, and 4.3.5, RabbitMQ Management rendered an AMQP...

SUSE CVE-2026-66077

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, The management UI uses EJS 1.0 in which does NOT HTML-escape. connection.ejs:135 renders and peercertissuer directly into the page. The same pattern appears in streamConnection.ejs:102,106,110. The...

CVE-2026-66077

A flaw was found in RabbitMQ. This vulnerability, a stored Cross-Site Scripting XSS, exists in the management UI. An attacker who can obtain a trusted TLS client certificate can embed malicious JavaScript in the certificate's Subject Distinguished Name DN. When the TLS listener is configured for...