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RabbitMQ CVE-2026-67410

| EUVDEUVD-2026-87238 HIGH
Information Exposure (CWE-200)
2026-09-25 GitHub_M
Information Disclosure Rabbitmq Server Erlang Rabbitmq Oauth2
8.2
CVSS 4.0 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
8.2 HIGH
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.5 HIGH

Unauthenticated network GET returns a high-value secret (C:H); no integrity or availability impact; config precondition is captured as an attack requirement rather than PR or AC.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

6
POC Analysis Generated
Sep 25, 2026 - 19:25 vuln.today
Patch available
Sep 25, 2026 - 18:19 EUVD
Metadata Corrected
Sep 25, 2026 - 17:40 vuln.today
tag: Erlang added
Metadata Corrected
Sep 25, 2026 - 17:40 vuln.today
tag: Oauth2 added
Analysis Generated
Sep 25, 2026 - 17:16 vuln.today
CVE Published
Sep 25, 2026 - 16:32 cve.org
HIGH 8.2

DescriptionCVE.org

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 oauthclientsecret configuration value is included in the JavaScript served by the unauthenticated endpoint /js/oidc-oauth/bootstrap.js. Any user who can reach the management UI port can retrieve the OAuth2 client secret without Files: deps/rabbitmqmanagement/src/rabbitmgmtwmauth.erl, line 186 deps/rabbitmqmanagement/src/rabbitmgmtoauthbootstrap.erl, lines 35-50 deps/rabbitmqmanagement/src/rabbitmgmtdispatcher.erl, lines 45-49 (route registration) Code Path: 1. The route /js/oidc-oauth/bootstrap.js is registered as a plain Cowboy handler (rabbitmgmtdispatcher.erl:46): Credential exposure for the affected configuration: OAuth2 client secret is accessible without any authentication Token theft: Attacker can complete the authorization code flow using stolen authorization codes Client impersonation: Attacker can make requests. Any RabbitMQ deployment with: This issue is fixed in versions 4.3.3 and 4.2.9.

AnalysisAI

OAuth2 client secret disclosure in the RabbitMQ Management UI affects versions 4.2.0 through 4.2.8 and 4.3.0 through 4.3.2, where the configured management.oauth_client_secret is embedded in the JavaScript served by the unauthenticated endpoint /js/oidc-oauth/bootstrap.js. Any party with network reachability to the management HTTP port can retrieve the secret with a simple GET request - authentication requirements confirmed unauthenticated (CVSS:3.1 AV:N/AC:L/PR:N/UI:N) and the assessed impact is high confidentiality loss (VC:H) with no integrity or availability impact. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Requires that OAuth2 authentication is enabled for the RabbitMQ Management UI AND the configured IdP flow uses a confidential client secret (management.oauth_client_secret set) - this is a non-default configuration. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine, correctly-labeled information-disclosure flaw rather than a mislabeled DoS. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patch: upgrade to RabbitMQ 4.3.3 or 4.2.9 (https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3 and https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9), following the vendor advisory GHSA-f9f2-q3jf-wfj3. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Vendor-released patch: 4.3.3 and 4.2.9 per technical description; the patch status field indicates not available, so verify against the vendor advisory before relying on it. …

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise Module for Server Applications 15 SP7 Not-Affected
SUSE Linux Enterprise Module for Server Applications 15 SP7 Affected
SUSE Linux Enterprise Server 15 SP7 Not-Affected
SUSE Linux Enterprise Server 15 SP7 Affected
SUSE Linux Enterprise Server 16.0 Affected

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CVE-2026-67410 vulnerability details – vuln.today
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