9.6

CVE-2026-11807: Eda-server: websocket missing authorization allows credential theft via activation_id spoofing

Awaiting analysis
AliasesRHSA-2026:28376RHSA-2026:28377
Published 23-06-2026Last modified 04-11-2026

Vulnerability summary

CVE-2026-11807 is a critical (CVSS 9.6) Missing Authorization vulnerability in automation-eda-controller Red Hat. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 45% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.6 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 04-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 23-06-2026
    PublishedVulnerability first disclosed.
  2. 04-11-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.53% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat5 products
  • automation-eda-controller< 0:1.1.19-1.el8ap | < 0:1.1.19-1.el9ap | < 0:1.2.9-2.el9ap
  • automation-eda-controller-base< 0:1.1.19-1.el8ap | < 0:1.1.19-1.el9ap | < 0:1.2.9-2.el9ap
  • automation-eda-controller-base-services< 0:1.1.19-1.el8ap | < 0:1.1.19-1.el9ap | < 0:1.2.9-2.el9ap
  • automation-eda-controller-event-stream-services< 0:1.1.19-1.el8ap | < 0:1.1.19-1.el9ap | < 0:1.2.9-2.el9ap
  • automation-eda-controller-worker-services< 0:1.1.19-1.el8ap | < 0:1.1.19-1.el9ap | < 0:1.2.9-2.el9ap

1 vendor · 5 products

References

13 links
Show all 13 references