Is CVE-2026-8668 in the CISA KEV catalog?

No. CVE-2026-8668 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-8668?

CVE-2026-8668 has a CVSS v4 base score of 2.3 (LOW).

What is the EPSS score for CVE-2026-8668?

CVE-2026-8668 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-8668?

No published fix for CVE-2026-8668 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-8668

LOW

2.3

CVSS v4

NVD

Description

A static credential embedded in Chef 360 prior to v1.7.0 permitted unauthenticated access to internal message queues. Queue messages contained tenant-specific identifiers. The credential has been rotated and replaced with per-tenant access in subsequent versions, eliminating this access method entirely.

CWE-523

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v4 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

Impact

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:H/SI:N/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:X/V:X/RE:L/U:X

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Other references1

docs.chef.io

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-22.