# CVE-2026-93952: Arista VeloCloud Orchestrator Improper Input Validation

> Remote attackers can access privileged internal functionality in VeloCloud Orchestrator, compromising confidentiality, integrity, and availability.

- **Severity:** Critical 9.5 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **Exploited in the wild:** Yes, since 22 Sep 2026 (CISA KEV)
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Sep 2026
- **Updated:** 23 Sep 2026
- **Also known as:** GHSA-fqhw-f6hf-cq3w

## What is CVE-2026-93952?

CVE-2026-93952 is a critical missing authorization vulnerability in Arista Networks VeloCloud Orchestrator (VCO) On-Prem, published on 22 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by the orchestrator.

Hosted, including Dedicated, versions of VCO were impacted and have already been patched.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2026-93952?

It affects 1 product.


Products: Arista Velocloud Orchestrator.

## How do I fix CVE-2026-93952?

No fix has been published for CVE-2026-93952 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 25 Sep 2026.

## Is CVE-2026-93952 being exploited?

Yes. Attackers have exploited CVE-2026-93952 in the wild since at least 22 Sep 2026.

## Other vulnerabilities in Arista Networks VeloCloud Orchestrator (VCO) On-Prem

- [CVE-2026-16812](https://insights.sbomify.com/CVE-2026-16812/): Arista VeloCloud Orchestrator On-Prem OS Command Injection (critical 10.0, exploited in the wild)
- [CVE-2026-114625](https://insights.sbomify.com/CVE-2026-114625/): Arista VeloCloud Orchestrator SQL Injection (critical 9.4, exploited in the wild)
- [CVE-2020-3973](https://insights.sbomify.com/CVE-2020-3973/): SQL injection in VMware SD-WAN by VeloCloud (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-93952 and fix it if it is affected.

What it is: CVE-2026-93952 is a critical missing authorization vulnerability in Arista Networks VeloCloud Orchestrator (VCO) On-Prem, published on 22 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: Yes. Attackers have exploited CVE-2026-93952 in the wild since at least 22 Sep 2026.

Affected product: Arista Networks VeloCloud Orchestrator (VCO) On-Prem. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-93952/ (Markdown: https://insights.sbomify.com/CVE-2026-93952/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-93952
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-93952
- OSV: https://osv.dev/vulnerability/CVE-2026-93952

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-93952/
Summaries are generated and may contain mistakes; the official description above is the record.