CVE-2026-80462 Chef Automate - Broken Access Control

Chef Automate contains a broken access control vulnerability in the API gateway and identity validation path, letting unauthenticated actors gain elevated access to protected functionality under specific conditions.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
2.01% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest version of Chef Automate.

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

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