Widely deployed middleware; default admin/admin enables full broker control, risk of major outages.
CVE-2026-22886
OpenMQ imqbrokerd has default admin/admin creds with no forced change.
Is CVE-2026-22886 being exploited?
Not confirmed. CVE-2026-22886 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.40% probability of exploitation in the next 30 days.
How severe is CVE-2026-22886?
CVE-2026-22886 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-22886?
Yes. A fix has been recorded for CVE-2026-22886. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-22886 affect?
CVE-2026-22886 affects OpenMQ imqbrokerd (OpenMQ). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-22886?
Disable default creds; enforce password change; patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker on the broker port can authenticate as admin and gain full control of admin features.
Immediate action required