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CVE-2026-84683

Automation-controller: automation-controller-container: automation-controller: stored cross-site scripting in the job stdout html view via ansi osc 8 hyperlink sequences (javascript: anchor) enabling session takeover

8.7 High

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The HTML view of job, ad hoc command, project update, and inventory update standard output escapes HTML metacharacters but does not remove ANSI terminal escape sequences before conversion to HTML. An ANSI OSC 8 hyperlink sequence in the output is expanded into an HTML anchor whose href is not scheme- filtered or escaped, so a low-privileged user who can produce output -- or an external party whose data a playbook echoes -- can embed a javascript: link that is rendered into a text/html response with no Content-Security-Policy. When a higher-privileged user views the output page and clicks the link, attacker- controlled JavaScript executes in their authenticated session, allowing actions as that user up to full platform takeover.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.26%Unchanged since Sep 24, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.7

Automation-controller: automation-controller-container: automation-controller: stored cross-site scripting in the job stdout html view via ansi osc 8 hyperlink sequences (javascript: anchor) enabling session takeover

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The HTML view of job, ad hoc command, project update, and inventory update standard output escapes HTML metacharacters but does not remove ANSI terminal escape sequences before conversion to HTML. An ANSI OSC 8 hyperlink sequence in the output is expanded into an HTML anchor whose href is not scheme- filtered or escaped, so a low-privileged user who can produce output -- or an external party whose data a playbook echoes -- can embed a javascript: link that is rendered into a text/html response with no Content-Security-Policy. When a higher-privileged user views the output page and clicks the link, attacker- controlled JavaScript executes in their authenticated session, allowing actions as that user up to full platform takeover.

Record
CVE-2026-84683
CVSS 3.1
8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2026-85571 8.7

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The HTML view of job, ad hoc command, project update, and inventory update standard output escapes HTML metacharacters but does not remove ANSI terminal escape sequences before conversion to HTML. An ANSI OSC 8 hyperlink sequence in the output is expanded into an HTML anchor whose href is not scheme- filtered or escaped, so a low-privileged user who can produce output -- or an external party whose data a playbook echoes -- can embed a javascript: link that is rendered into a text/html response with no Content-Security-Policy. When a higher-privileged user views the output page and clicks the link, attacker- controlled JavaScript executes in their authenticated session, allowing actions as that user up to full platform takeover.

Record
EUVD-2026-85571
CVSS 3.1
8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-3p43-vjq9-4h46 8.7

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The HTML view...

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The HTML view of job, ad hoc command, project update, and inventory update standard output escapes HTML metacharacters but does not remove ANSI terminal escape sequences before conversion to HTML. An ANSI OSC 8 hyperlink sequence in the output is expanded into an HTML anchor whose href is not scheme- filtered or escaped, so a low-privileged user who can produce output -- or an external party whose data a playbook echoes -- can embed a javascript: link that is rendered into a text/html response with no Content-Security-Policy. When a higher-privileged user views the output page and clicks the link, attacker- controlled JavaScript executes in their authenticated session, allowing actions as that user up to full platform takeover.

Record
GHSA-3p43-vjq9-4h46
CVSS 3.1
8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-79
Updated
2026-11-02
NVD 8.7

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The HTML view of job, ad hoc command, project update, and inventory update standard output escapes HTML metacharacters but does not remove ANSI terminal escape sequences before conversion to HTML. An ANSI OSC 8 hyperlink sequence in the output is expanded into an HTML anchor whose href is not scheme- filtered or escaped, so a low-privileged user who can produce output -- or an external party whose data a playbook echoes -- can embed a javascript: link that is rendered into a text/html response with no Content-Security-Policy. When a higher-privileged user views the output page and clicks the link, attacker- controlled JavaScript executes in their authenticated session, allowing actions as that user up to full platform takeover.

Record
CVE-2026-84683
CVSS 3.1
8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-79
Updated
2026-11-05
OSVRHSA-2026:71113 9.9

Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Product Security and Bug Fix Update

Record
RHSA-2026:71113
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2026:71114 9.9

Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update

Record
RHSA-2026:71114
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
automation-controller-venv-tower
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:4.7.17-1.el9ap
0:4.7.17-1.el9ap
receptor
Red Hat:ansible_automation_platform:2.6::el10
From an advisory covering 61 CVEs
before 0:1.6.8-1.el10ap
0:1.6.8-1.el10ap
receptor
Red Hat:ansible_automation_platform_developer:2.6::el9
From an advisory covering 61 CVEs
before 0:1.6.8-1.el9ap
0:1.6.8-1.el9ap
receptor
Red Hat:ansible_automation_platform_inside:2.6::el9
From an advisory covering 61 CVEs
before 0:1.6.8-1.el9ap
0:1.6.8-1.el9ap
automation-gateway-proxy-server
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:2.6.17-3.el9ap
0:2.6.17-3.el9ap
receptor
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:1.6.8-1.el9ap
0:1.6.8-1.el9ap
python-sqlparse
Red Hat:ansible_automation_platform_developer:2.6::el10
From an advisory covering 61 CVEs
before 0:0.6.0-1.el10ap
0:0.6.0-1.el10ap
python3-sqlparse
Red Hat:ansible_automation_platform_developer:2.6::el10
From an advisory covering 61 CVEs
before 0:0.6.0-1.el10ap
0:0.6.0-1.el10ap
python-sqlparse
Red Hat:ansible_automation_platform:2.6::el10
From an advisory covering 61 CVEs
before 0:0.6.0-1.el10ap
0:0.6.0-1.el10ap
python3-sqlparse
Red Hat:ansible_automation_platform:2.6::el10
From an advisory covering 61 CVEs
before 0:0.6.0-1.el10ap
0:0.6.0-1.el10ap
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Affected packages
PackageAffectedFixed
python3.12-sqlparse
Red Hat:ansible_automation_platform_developer:2.6::el9
From an advisory covering 61 CVEs
before 0:0.6.0-1.el9ap
0:0.6.0-1.el9ap
python3.12-sqlparse
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:0.6.0-1.el9ap
0:0.6.0-1.el9ap
automation-platform-ui
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:2.6.14-1.el9ap
0:2.6.14-1.el9ap
automation-controller
Red Hat:ansible_automation_platform_developer:2.6::el9
From an advisory covering 61 CVEs
before 0:4.7.17-1.el9ap
0:4.7.17-1.el9ap
automation-controller-cli
Red Hat:ansible_automation_platform_developer:2.6::el9
From an advisory covering 61 CVEs
before 0:4.7.17-1.el9ap
0:4.7.17-1.el9ap
automation-controller
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:4.7.17-1.el9ap
0:4.7.17-1.el9ap
automation-controller-cli
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:4.7.17-1.el9ap
0:4.7.17-1.el9ap
automation-controller-server
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:4.7.17-1.el9ap
0:4.7.17-1.el9ap
automation-controller-ui
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:4.7.17-1.el9ap
0:4.7.17-1.el9ap
python3.12-gitpython
Red Hat:ansible_automation_platform:2.6::el9
From an advisory covering 61 CVEs
before 0:3.1.60-1.el9ap
0:3.1.60-1.el9ap
automation-controller-venv-tower
Red Hat:ansible_automation_platform:2.5::el8
From an advisory covering 57 CVEs
before 0:4.6.33-1.el8ap
0:4.6.33-1.el8ap
automation-controller-venv-tower
Red Hat:ansible_automation_platform:2.5::el9
From an advisory covering 57 CVEs
before 0:4.6.33-1.el9ap
0:4.6.33-1.el9ap
receptor
Red Hat:ansible_automation_platform_developer:2.5::el8
From an advisory covering 57 CVEs
before 0:1.6.8-1.el8ap
0:1.6.8-1.el8ap
receptor
Red Hat:ansible_automation_platform_inside:2.5::el8
From an advisory covering 57 CVEs
before 0:1.6.8-1.el8ap
0:1.6.8-1.el8ap
automation-gateway-proxy-server
Red Hat:ansible_automation_platform:2.5::el8
From an advisory covering 57 CVEs
before 0:2.5.10-8.el8ap
0:2.5.10-8.el8ap
receptor
Red Hat:ansible_automation_platform:2.5::el8
From an advisory covering 57 CVEs
before 0:1.6.8-1.el8ap
0:1.6.8-1.el8ap
receptor
Red Hat:ansible_automation_platform_developer:2.5::el9
From an advisory covering 57 CVEs
before 0:1.6.8-1.el9ap
0:1.6.8-1.el9ap
receptor
Red Hat:ansible_automation_platform_inside:2.5::el9
From an advisory covering 57 CVEs
before 0:1.6.8-1.el9ap
0:1.6.8-1.el9ap
automation-gateway-proxy-server
Red Hat:ansible_automation_platform:2.5::el9
From an advisory covering 57 CVEs
before 0:2.6.17-3.el9ap
0:2.6.17-3.el9ap
receptor
Red Hat:ansible_automation_platform:2.5::el9
From an advisory covering 57 CVEs
before 0:1.6.8-1.el9ap
0:1.6.8-1.el9ap
python3.12-sqlparse
Red Hat:ansible_automation_platform_developer:2.5::el8
From an advisory covering 57 CVEs
before 0:0.6.0-1.el8ap
0:0.6.0-1.el8ap
python3.12-sqlparse
Red Hat:ansible_automation_platform:2.5::el8
From an advisory covering 57 CVEs
before 0:0.6.0-1.el8ap
0:0.6.0-1.el8ap
python3.12-sqlparse
Red Hat:ansible_automation_platform_developer:2.5::el9
From an advisory covering 57 CVEs
before 0:0.6.0-1.el9ap
0:0.6.0-1.el9ap
python3.12-sqlparse
Red Hat:ansible_automation_platform:2.5::el9
From an advisory covering 57 CVEs
before 0:0.6.0-1.el9ap
0:0.6.0-1.el9ap
automation-gateway-server
Red Hat:ansible_automation_platform:2.5::el8
From an advisory covering 57 CVEs
before 0:2.5.20260923-1.el8ap
0:2.5.20260923-1.el8ap
automation-gateway-server
Red Hat:ansible_automation_platform:2.5::el9
From an advisory covering 57 CVEs
before 0:2.5.20260923-1.el9ap
0:2.5.20260923-1.el9ap
python3.12-gitpython
Red Hat:ansible_automation_platform:2.5::el8
From an advisory covering 57 CVEs
before 0:3.1.60-1.el8ap
0:3.1.60-1.el8ap
python3.12-gitpython
Red Hat:ansible_automation_platform:2.5::el9
From an advisory covering 57 CVEs
before 0:3.1.60-1.el9ap
0:3.1.60-1.el9ap

History

History
RecordedChangedSources
affected, facts
factsEUVD, NVD
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-84683 is a high vulnerability (CVSS 8.7) in Red Hat Ansible Automation Platform 2.5 For Rhel 8, published September 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.

References

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