CVE-2026-67410 RabbitMQ - Information Disclosure

RabbitMQ 4.2.0 to 4.3.3 and 4.2.9 contains an information disclosure caused by exposing OAuth2 client secret in unauthenticated JavaScript endpoint /js/oidc-oauth/bootstrap.js, letting any user with access to management UI port retrieve the secret, exploit requires access to management UI port.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
EPSS
0.35% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-200

Vendor fix

Upgrade to versions 4.3.3 or 4.2.9 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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