EUVD-2026-87244

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 OAuth credential refresh retains revoked runtime tags. when an existing AMQP connection refreshes from an OAuth token that grants the impersonator tag to a valid same-username toke...

CVE-2026-67420 RabbitMQ OAuth credential refresh retains revoked runtime tags

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 OAuth credential refresh retains revoked runtime tags. when an existing AMQP connection refreshes from an OAuth token that grants the impersonator tag to a valid same-username toke...

CVE-2026-67420

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 OAuth credential refresh retains revoked runtime tags. when an existing AMQP connection refreshes from an OAuth token that grants the impersonator tag to a valid same-username toke...

CVE-2026-67421 RabbitMQ: Stored HTML Injection in RabbitMQ Management OAuth Error Handling

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...

CVE-2026-67421 RabbitMQ: Stored HTML Injection in RabbitMQ Management OAuth Error Handling

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...

EUVD-2026-87242

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

The messaging broker RabbitMQ is vulnerable to a stored HTML injection in the Management UI when the OAuth UI is enabled. Specifically, versions 3.13.0 to 3.13.18 , 4.0.23 , 4.1.14 , 4.2.9 , and 4.3.4 may render an AMQP authorization-error reason as HTML if it contains an attacker-controlled queu...

CVE-2026-67421 RabbitMQ: Stored HTML Injection in RabbitMQ Management OAuth Error Handling

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...

EUVD-2026-87238

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...

CVE-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...

CVE-2026-92161

FriendsOfFlarum OAuth allows users to log in to Flarum with GitHub, Twitter, Facebook, and other providers. Prior to 1.7.4 and 2.0.0-beta.4, the Discord OAuth provider does not check the verified field returned for an OAuth email before passing the address to Flarum core as trusted through...

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

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...

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...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity in the provideTrustedEmail process. An attacker can gain unauthorized access to user accounts, including administrator accounts, by leveraging Discord OAuth to associate an unverified email...

FriendsOfFlarum OAuth: Unauthenticated account takeover via unverified email trust in Discord OAuth provider

Impact An unauthenticated account takeover vulnerability exists in fof/oauth when the Discord OAuth provider is enabled. Discord allows an account to use an unverified email address when its phone number has been verified. During OAuth authentication, Discord may return that email address with...