How severe is CVE-2026-8668?

CVE-2026-8668 has a CVSS 4.0 base score of 2.3, rated low severity.

Is CVE-2026-8668 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8668?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-8668 have an EU (EUVD) identifier?

Yes. CVE-2026-8668 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37956.

When was CVE-2026-8668 published?

CVE-2026-8668 was published on 2026-06-18 and last updated on 2026-06-22.

CVE-2026-8668

CVE-2026-8668 is a low-severity vulnerability with a CVSS 4.0 base score of 2.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-523.

Key facts

Severity: Low (CVSS 4.0 base score 2.3)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37956
Weakness: CWE-523
Published: 2026-06-18
Last modified: 2026-06-22

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.

Frequently asked questions

What is CVE-2026-8668?: 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.
How severe is CVE-2026-8668?: CVE-2026-8668 has a CVSS 4.0 base score of 2.3, rated low severity.
Is CVE-2026-8668 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8668?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8668 have an EU (EUVD) identifier?: Yes. CVE-2026-8668 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37956.
When was CVE-2026-8668 published?: CVE-2026-8668 was published on 2026-06-18 and last updated on 2026-06-22.

References

https://docs.chef.io/release_notes/360/

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