# CVE-2026-84486

Unauthenticated DoS against Ansible Automation Platform scheduler via debug endpoints

- Page: https://www.vulneraibility.com/cve/CVE-2026-84486
- CVSS: 8.2
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.65% (percentile 51.6)
- CISA SSVC: exploitation none, automatable yes, technical impact partial (assessed 2026-09-23)
- Weakness: CWE-489
- Published: 2026-09-23

## Affected

- Red Hat Ansible Automation Platform (automation-controller)
- Ansible controller web workers

## Impact

Unauthenticated remote attacker can invoke debug endpoints to grab the scheduler advisory lock, causing legitimate scheduler runs to be skipped, stalling job dispatch and consuming web workers (DoS).

## Action

Immediate action required

## Recommendation

Apply Red Hat errata updates immediately; restrict access to debug endpoints.

## References

- [advisory] https://access.redhat.com/errata/RHSA-2026:71113
- [advisory] https://access.redhat.com/errata/RHSA-2026:71177
- [advisory] https://access.redhat.com/errata/RHSA-2026:71179
- [other] https://access.redhat.com/security/cve/CVE-2026-84486
- [other] https://bugzilla.redhat.com/show_bug.cgi?id=2527085

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.