CVE-2026-11807

Eda-server: websocket missing authorization allows credential theft via activation_id spoofing

9.6 CriticalFix available

A missing authorization vulnerability was found in the Event-Driven Ansible (EDA) websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activation_id to receive plaintext credentials associated with that activation, including OAuth tokens, vault passwords, and SSH keys.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.53%Up 0.2 points since Jun 24, 2026

What each source reports

CVE List Score used 9.6

Eda-server: websocket missing authorization allows credential theft via activation_id spoofing

Record: CVE-2026-11807
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Weakness: CWE-862, CWE-862
Updated: 2026-11-04

EUVDEUVD-2026-38598 9.6

Record: EUVD-2026-38598
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Updated: 2026-11-04

GitHub AdvisoriesGHSA-3w6r-r33r-cfg6 9.6

A missing authorization vulnerability was found in the Event-Driven Ansible (EDA) websocket API....

Record: GHSA-3w6r-r33r-cfg6
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 9.6

Record: CVE-2026-11807
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-04

OSVRHSA-2026:28376 9.6

Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Product Security Update

Record: RHSA-2026:28376
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Updated: 2026-11-02

OSVRHSA-2026:28377 9.6

Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Product Security Update

Record: RHSA-2026:28377
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`automation-eda-controller` Red Hat:ansible_automation_platform:2.5::el8	before 0:1.1.19-1.el8ap	0:1.1.19-1.el8ap
`automation-eda-controller-base` Red Hat:ansible_automation_platform:2.5::el8	before 0:1.1.19-1.el8ap	0:1.1.19-1.el8ap
`automation-eda-controller-base-services` Red Hat:ansible_automation_platform:2.5::el8	before 0:1.1.19-1.el8ap	0:1.1.19-1.el8ap
`automation-eda-controller-event-stream-services` Red Hat:ansible_automation_platform:2.5::el8	before 0:1.1.19-1.el8ap	0:1.1.19-1.el8ap
`automation-eda-controller-worker-services` Red Hat:ansible_automation_platform:2.5::el8	before 0:1.1.19-1.el8ap	0:1.1.19-1.el8ap
`automation-eda-controller` Red Hat:ansible_automation_platform:2.5::el9	before 0:1.1.19-1.el9ap	0:1.1.19-1.el9ap
`automation-eda-controller-base` Red Hat:ansible_automation_platform:2.5::el9	before 0:1.1.19-1.el9ap	0:1.1.19-1.el9ap
`automation-eda-controller-base-services` Red Hat:ansible_automation_platform:2.5::el9	before 0:1.1.19-1.el9ap	0:1.1.19-1.el9ap
`automation-eda-controller-event-stream-services` Red Hat:ansible_automation_platform:2.5::el9	before 0:1.1.19-1.el9ap	0:1.1.19-1.el9ap
`automation-eda-controller-worker-services` Red Hat:ansible_automation_platform:2.5::el9	before 0:1.1.19-1.el9ap	0:1.1.19-1.el9ap

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Affected packages
Package	Affected	Fixed
`automation-eda-controller` Red Hat:ansible_automation_platform:2.6::el9	before 0:1.2.9-2.el9ap	0:1.2.9-2.el9ap
`automation-eda-controller-base` Red Hat:ansible_automation_platform:2.6::el9	before 0:1.2.9-2.el9ap	0:1.2.9-2.el9ap
`automation-eda-controller-base-services` Red Hat:ansible_automation_platform:2.6::el9	before 0:1.2.9-2.el9ap	0:1.2.9-2.el9ap
`automation-eda-controller-event-stream-services` Red Hat:ansible_automation_platform:2.6::el9	before 0:1.2.9-2.el9ap	0:1.2.9-2.el9ap
`automation-eda-controller-worker-services` Red Hat:ansible_automation_platform:2.6::el9	before 0:1.2.9-2.el9ap	0:1.2.9-2.el9ap

History

History
Recorded	Changed	Sources
Nov 4, 2026	facts, products	CVE List
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-11807 is a critical vulnerability (CVSS 9.6) in Red Hat Ansible Automation Platform 2, published June 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. Fixed in automation-eda-controller 0:1.1.19-1.el8ap.

References

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