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Critical severity · published Sep 11, 2026
CVE-2026-80462
Privilege Escalation in Progress Chef Automate
10.0
CVSS
2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Chef Automate · Progress Software
4.13.516 before 4.13.520 · source: vendor
Affected product
CA
Chef Automate
Progress Software
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-80462
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-80462
community.progress.com
https://community.progress.com/s/article/Critical-Security-Bulletin---August-2026---Chef-Automate-Security-Vulnerability