CVE-2026-57219: RabbitMQ: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurations
CSIRTS triage
- What
- Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurations.
- Who is affected
- Deployments of RabbitMQ with specific OAuth 2 configurations.
- Urgency
- Remediation is urgent due to the high severity and potential for information disclosure.
- Action
- Review and secure OAuth 2 configurations in RabbitMQ.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57219
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-572190.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-57219 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
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