Vulnary
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Critical· 10

CVE-2026-80462

A flaw in Chef Automate’s API gateway lets an unauthenticated user gain elevated access to protected functions under certain conditions. The issue can lead to full control over the system. It is critical because no authentication is required.

publishedSep 11, 2026
last modifiedSep 11, 2026
sourcesNVD
severity · cvss
10
critical · how bad it is
exploitation · epss
<1%
23th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Oct 26, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

Chef Automate (any version, as no specific versions are listed).

02

Real-world impact

An attacker who can reach the API gateway could elevate privileges and access or modify protected resources, potentially taking full control of the Chef Automate environment.

03

Why this severity

The CVSS score of 10 reflects that the vulnerability requires no authentication, has no user interaction, and gives complete compromise of confidentiality, integrity, and availability.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeChanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
CVE-2026-80462: A flaw in Chef Automate’s API gateway lets an unauthenticated user gai · Vulnary