CVE-2026-80462 PUBLISHED

Privilege Escalation in Progress Chef Automate

Assigner: ProgressSoftware
Reserved: 26.08.2026 Published: 11.09.2026 Updated: 11.09.2026

A vulnerability in the Chef Automate API gateway and identity validation path may allow an unauthenticated actor to gain elevated access to protected Chef Automate functionality under specific conditions.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 10

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Progress Software
Product	Chef Automate
Versions	Default: unaffected affected from 4.13.516 to 4.13.520 (excl.) unaffected from 1.0.0 to 4.13.516 (excl.)

Workarounds

No approved workaround is currently available. Progress recommends upgrading to the fixed release when available.

Solutions

Customers should upgrade to Chef Automate 4.13.520 or subsequent version. Versions prior to 4.13.516 are NOT affected.

References

https://community.progress.com/s/article/Critical-Security-Bulletin---August-2026---Chef-Automate-Security-Vulnerability

Problem Types

CWE-306 Missing authentication for critical function CWE

Impacts

Successful exploitation may result in unauthorized access to internal Chef Automate configuration data, identity and access-management operations, protected APIs, or actions across managed infrastructure.