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VulnerabilityPublished Updated

CVE-2026-80462: Progress Software Chef Automate · Missing Authentication

Affects Progress Software Chef AutomateSource CVE Database V5

0

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

CVSS 3.1 base score
10.0Critical
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Sep 2026

  2. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  3. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  4. Observed by OffSeq 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

ProductAffectedFixed in
Progress SoftwareChef AutomateAffected
  • >=4.13.516 <4.13.520
Fixed in
  • 4.13.520

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.

References

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