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.
Problem types
CWE-345 Insufficient Verification of Data Authenticity
CWE-347 Improper Verification of Cryptographic Signature
Product status
Any version before 0.5.4
0.5.4
Credits
Paul Asadoorian, Eclypsium
References
github.com/jetkvm/kvm/releases/tag/release/0.5.4 (url)
eclypsium.com/...to-your-kingdom-are-hanging-on-the-network/ (url)
raw.githubusercontent.com/...IT/white/2025/va-26-076-01.json (url)
www.cve.org/CVERecord?id=CVE-2026-32294 (url)