CVE-2026-67410

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Source
https://cve.org/CVERecord?id=CVE-2026-67410
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-67410.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-67410
Aliases
  • GHSA-f9f2-q3jf-wfj3
Downstream
Published
2026-09-25T16:32:51Z
Modified
2026-09-26T03:47:00Z
Severity
  • 8.2 (High) CVSS_V4 - 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 CVSS Calculator
Summary
RabbitMQ: OAuth2 Client Secret Exposed via Unauthenticated JavaScript Endpoint
Details

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.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-200"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67410.json"
}
References

Affected packages

Git / github.com/rabbitmq/rabbitmq-server

Affected ranges

Type
GIT
Repo
https://github.com/rabbitmq/rabbitmq-server
Events
Introduced
1929eeadf9b2bac12c5434fb56884ef27370580e
Fixed
1d284b2d2a1e2f845ad22b0d5ee38ec372d50802
Introduced
95c501fbad76c66156346cf364d158d6e30aa4d9
Fixed
47d6d6457c7d1a440daed643cb7d76bba313e79c
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "4.3.0"
        },
        {
            "fixed":  "4.3.3"
        },
        {
            "introduced":  "4.2.0"
        },
        {
            "fixed":  "4.2.9"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

v4.*
v4.2.0
v4.2.1
v4.2.2
v4.2.3
v4.2.4
v4.2.5
v4.2.6
v4.2.7
v4.2.8
v4.3.0
v4.3.1
v4.3.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-67410.json"