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...

RabbitMQ 3.13.x < 3.13.18 / 4.0.x < 4.0.23 / 4.1.x < 4.1.14 / 4.2.x < 4.2.9 / 4.3.x < 4.3.3 Multiple Vulnerabilities

The version of RabbitMQ installed on the remote host is 3.13.x prior to 3.13.18, or 4.0.x prior to 4.0.23, or 4.1.x prior to 4.1.14, or 4.2.x prior to 4.2.9, or 4.3.x prior to 4.3.3. It is, therefore, affected by multiple vulnerabilities: - The JWKS key fetching mechanism in uaajwt.erl does not...

BIT-RABBITMQ-2026-67410 RabbitMQ: OAuth2 Client Secret Exposed via Unauthenticated JavaScript Endpoint

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...

BIT-RABBITMQ-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...

BIT-RABBITMQ-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...

BIT-RABBITMQ-2026-66077 RabbitMQ: Stored XSS via TLS peer-certificate DN in management UI

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...

PT-2026-105203

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...

PT-2026-105162

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 peer cert issuer directly into the page. The same pattern appears in streamConnection.ejs:102,106,110. T...

PT-2026-105196

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-2026-105187

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-2026-105185

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

SUSE 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...

SUSE CVE-2026-67239

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...

SUSE CVE-2026-67421

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...

AZL-105323 CVE-2026-67421 affecting package rabbitmq-server 3.13.7-9

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...

DEBIAN-CVE-2026-67421

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...

CVE-2026-67421

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...

DEBIAN-CVE-2026-67410

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...

AZL-105308 CVE-2026-67410 affecting package rabbitmq-server 3.13.7-9

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...

CVE-2026-67410

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...