CVE-2026-86109 Security Advisory 0182
Attackers with upload or access privileges can install unauthorized software on VeloCloud Edge devices by bypassing signature validation during updates.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86109?
CVE-2026-86109 is a high-severity vulnerability in Arista Networks VeloCloud Edge, published on 16 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-347
Which versions are affected by CVE-2026-86109?
How do I fix CVE-2026-86109?
No fix has been published for CVE-2026-86109 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-86109 being exploited?
There is no known exploitation of CVE-2026-86109 in the wild and no public exploit code.
Sources
Also known as GHSA-gqff-2qm6-5664.