---
title: "CVE-2026-84683: Red Hat Ansible Automation Platform - Stored XSS"
description: "Red Hat Ansible Automation Platform automation-controller contains a stored XSS caused by unfiltered ANSI OSC 8 hyperlink sequences in HTML output, letting low-privileged users embed javascript links that execute code when viewed by higher-privileged users, exploit requires output generation by low-privileged user or external data."
url: https://panop.io/threat-heartbeat/CVE-2026-84683/
---

# CVE-2026-84683 Red Hat Ansible Automation Platform - Stored XSS

Red Hat Ansible Automation Platform automation-controller contains a stored XSS caused by unfiltered ANSI OSC 8 hyperlink sequences in HTML output, letting low-privileged users embed javascript links that execute code when viewed by higher-privileged users, exploit requires output generation by low-privileged user or external data.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.26% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-84683)

## Details

Type

Stored XSS

Impact

Client Script Exec, Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Published

23 September 2026

Updated

15 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update to the latest version with proper ANSI escape sequence filtering and output sanitization.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-84683](https://nvd.nist.gov/vuln/detail/CVE-2026-84683)
- [https://access.redhat.com/errata/RHSA-2026:71177](https://access.redhat.com/errata/RHSA-2026:71177)
- [https://access.redhat.com/errata/RHSA-2026:71179](https://access.redhat.com/errata/RHSA-2026:71179)
- [https://access.redhat.com/security/cve/CVE-2026-84683](https://access.redhat.com/security/cve/CVE-2026-84683)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=2527128](https://bugzilla.redhat.com/show_bug.cgi?id=2527128)
- [https://access.redhat.com/errata/RHSA-2026:71113](https://access.redhat.com/errata/RHSA-2026:71113)
- [https://access.redhat.com/errata/RHSA-2026:71114](https://access.redhat.com/errata/RHSA-2026:71114)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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