What is CVE-2026-86109?

CVE-2026-86109 is a medium-severity vulnerability, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.6/10. Published 2026-09-16.

How severe is CVE-2026-86109?

Medium severity. CVSS v3 base score is 6.6 out of 10.

CVE-2026-86109

CVE-2026-86109

The VeloCloud Edge software update workflow may accept update bundles without properly validating their signatures because the workflow does not restrict the digest algorithm used for artifact verification. An attacker with either sufficient privileges to upload packages to VeloCloud Orchestrator or credentials permitting direct access to an Edge may be able to install unauthorized software.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

psirt@arista.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-86109?: CVE-2026-86109 is a medium-severity vulnerability, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.6/10. Published 2026-09-16.
How severe is CVE-2026-86109?: Medium severity. CVSS v3 base score is 6.6 out of 10.