CVE-2026-84691 Red Hat Ansible Automation Platform - Authentication Bypass

Red Hat Ansible Automation Platform automation-controller contains a format string vulnerability caused by administrator-controlled Python format-string templates in API 4XX error logs, letting authenticated administrators read sensitive secrets and exfiltrate them via log forwarding, exploit requires administrator privileges.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.20% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-134

Vendor fix

Update to the latest version with the vulnerability fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs