# CVE-2026-84683

Authenticated XSS via ANSI OSC 8 links in Ansible Controller output enabling account takeover

- Page: https://www.vulneraibility.com/cve/CVE-2026-84683
- CVSS: 8.7
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.26% (percentile 17.3)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-09-25)
- Weakness: CWE-79
- Published: 2026-09-23

## Affected

- Red Hat Ansible Automation Platform (automation-controller / Controller)

## Impact

Low-privileged user or reflected data can inject javascript: hyperlinks in job output; if clicked by higher-privileged user, attacker-run JS can takeover the platform.

## Action

Immediate action required

## Recommendation

Apply vendor security updates immediately; restrict Controller UI and avoid opening untrusted output.

## References

- [advisory] https://access.redhat.com/errata/RHSA-2026:71113
- [advisory] https://access.redhat.com/errata/RHSA-2026:71114
- [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-2026-84683
- [other] https://bugzilla.redhat.com/show_bug.cgi?id=2527128

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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.