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CVE-2026-84486

Automation-controller: automation-controller-container: automation-controller: unauthenticated debug scheduler-trigger endpoints (allowany, routed without debug guard) allow advisory-lock starvation of job dispatch (dos)

8.2 High

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. Four debug views that trigger the internal task, dependency, and workflow schedulers are configured to allow any user (including unauthenticated clients) and are routed in production builds because their URL include is not gated on the debug setting. An unauthenticated remote attacker can repeatedly invoke these endpoints to acquire the cluster-wide scheduler advisory lock; because the legitimate scheduler acquires the same lock without waiting, the attacker causes real scheduler runs to be skipped, stalling job dispatch for all tenants, while also consuming controller web workers. The debug root view additionally discloses the list of debug endpoints to unauthenticated callers.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
High

Exploit likelihood

0.65%Up 0.1 points since Sep 24, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.2

Automation-controller: automation-controller-container: automation-controller: unauthenticated debug scheduler-trigger endpoints (allowany, routed without debug guard) allow advisory-lock starvation of job dispatch (dos)

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. Four debug views that trigger the internal task, dependency, and workflow schedulers are configured to allow any user (including unauthenticated clients) and are routed in production builds because their URL include is not gated on the debug setting. An unauthenticated remote attacker can repeatedly invoke these endpoints to acquire the cluster-wide scheduler advisory lock; because the legitimate scheduler acquires the same lock without waiting, the attacker causes real scheduler runs to be skipped, stalling job dispatch for all tenants, while also consuming controller web workers. The debug root view additionally discloses the list of debug endpoints to unauthenticated callers.

Record
CVE-2026-84486
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness
CWE-489
Updated
2026-11-02
EUVDEUVD-2026-85548 8.2

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. Four debug views that trigger the internal task, dependency, and workflow schedulers are configured to allow any user (including unauthenticated clients) and are routed in production builds because their URL include is not gated on the debug setting. An unauthenticated remote attacker can repeatedly invoke these endpoints to acquire the cluster-wide scheduler advisory lock; because the legitimate scheduler acquires the same lock without waiting, the attacker causes real scheduler runs to be skipped, stalling job dispatch for all tenants, while also consuming controller web workers. The debug root view additionally discloses the list of debug endpoints to unauthenticated callers.

Record
EUVD-2026-85548
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-jr99-3x99-6q34 8.2

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. Four debug...

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. Four debug views that trigger the internal task, dependency, and workflow schedulers are configured to allow any user (including unauthenticated clients) and are routed in production builds because their URL include is not gated on the debug setting. An unauthenticated remote attacker can repeatedly invoke these endpoints to acquire the cluster-wide scheduler advisory lock; because the legitimate scheduler acquires the same lock without waiting, the attacker causes real scheduler runs to be skipped, stalling job dispatch for all tenants, while also consuming controller web workers. The debug root view additionally discloses the list of debug endpoints to unauthenticated callers.

Record
GHSA-jr99-3x99-6q34
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness
CWE-489
Updated
2026-11-02
NVD 8.2

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. Four debug views that trigger the internal task, dependency, and workflow schedulers are configured to allow any user (including unauthenticated clients) and are routed in production builds because their URL include is not gated on the debug setting. An unauthenticated remote attacker can repeatedly invoke these endpoints to acquire the cluster-wide scheduler advisory lock; because the legitimate scheduler acquires the same lock without waiting, the attacker causes real scheduler runs to be skipped, stalling job dispatch for all tenants, while also consuming controller web workers. The debug root view additionally discloses the list of debug endpoints to unauthenticated callers.

Record
CVE-2026-84486
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness
CWE-489
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

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

History

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

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

In short

CVE-2026-84486 is a high vulnerability (CVSS 8.2) in Red Hat Ansible Automation Platform 2.6, published September 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.

References

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