CVE-2026-40683
A remote, authenticated attacker can exploit a vulnerability in Red Hat OpenStack Keystone to bypass authentication and gain unauthorized access to the system.
CSIRTS triage
- What
- A remote, authenticated attacker can exploit a vulnerability in Red Hat OpenStack Keystone to bypass authentication and gain unauthorized access to the system.
- Who is affected
- Authenticated users of Red Hat OpenStack Keystone.
- Urgency
- Remediation is medium urgency as it allows unauthorized access to the system.
- Action
- Apply the latest security patches to mitigate this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Red Hat OpenStack Keystone: Vulnerability allows privilege escalationcert-bund · 2026-07-15
External references
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[](https://www.csirts.com/cve/CVE-2026-40683)