---
title: "CVE-2026-67410: RabbitMQ - Information Disclosure"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-67410/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-67410)

## 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](https://cwe.mitre.org/data/definitions/200.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-67410](https://nvd.nist.gov/vuln/detail/CVE-2026-67410)
- [https://github.com/rabbitmq/rabbitmq-server/commit/60a85d3605ebf94fd234497242812547d441d457](https://github.com/rabbitmq/rabbitmq-server/commit/60a85d3605ebf94fd234497242812547d441d457)
- [https://github.com/rabbitmq/rabbitmq-server/commit/869f800998334bb363f2ad046f58de9caedc409e](https://github.com/rabbitmq/rabbitmq-server/commit/869f800998334bb363f2ad046f58de9caedc409e)
- [https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9)
- [https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3)
- [https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-f9f2-q3jf-wfj3](https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-f9f2-q3jf-wfj3)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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