CVE-2026-32294: JetKVM prior to 0.5.4 does not verify the authenticity of downloaded firmware files

Q: How do I fix CVE-2026-32294?

kvm: upgrade to newer than 0.5.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-32294 being exploited?

CVE-2026-32294 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-32294 affect?

CVE-2026-32294 affects kvm. Severity is medium (CVSS 4.7). 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.

Q: How urgent is CVE-2026-32294?

Priority 17/100. No elevated risk signals yet.

Routine

MEDIUM 4.7UPGRADE

CVE-2026-32294 is a medium-severity flaw (CVSS 4.7) affecting kvm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.7 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-345, CWE-347
Published	2026-03-17
Last modified	2026-06-17

Publisher (CNA): Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government · Vendor: jetkvm

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-17 18:16 UTCPublished CVE record published
2026-06-17 10:35 UTCUpdated Record last modified

jetkvm kvm UPGRADE

Affected: <= 0.5.3

Fixed in: newer than 0.5.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kvm || rpm -q kvm || kvm --version

2. UPGRADE to newer than 0.5.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kvm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kvm

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-32294?

kvm: upgrade to newer than 0.5.3. Exact commands for each OS are on this page.

Is CVE-2026-32294 being exploited?

CVE-2026-32294 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-32294 affect?

CVE-2026-32294 affects kvm. Severity is medium (CVSS 4.7). 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.

How urgent is CVE-2026-32294?

Priority 17/100. No elevated risk signals yet.

Related CVEs

CVE-2026-32295 HIGH 7.5 UPGRADE JetKVM before 0.5.4 does not rate limit login requests, enabling brute-force attempts to guess credentials.

References

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