CVE-2026-80462: Progress Software Chef Automate · Missing Authentication
Affects Progress Software Chef AutomateSource CVE Database V5
Not known to be exploited · public detection template (Nuclei) · CVSS 10.0 Critical : upgrade to 4.13.520 as a priority.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 2.0% chance of exploitation in 30 days – higher than 80% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.13.520
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Sep 2026
Detectable: evidence found.
nuclei template: Chef Automate API Gateway - Authentication Bypass
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Progress Software Chef Automate to 4.13.520.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Progress SoftwareChef Automate | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict network access to the Chef Automate API gateway and monitor for suspicious activity related to authentication bypass attempts.
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.