What is CVE-2026-38651?

CVE-2026-38651 is a high-severity vulnerability in Netmaker, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.2/10. Published 2026-04-28.

How severe is CVE-2026-38651?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Netmaker

CVE-2026-38651

Authentication Bypass vulnerability exists in Netmaker versions prior to 1.5.0. The VerifyHostToken function in logic/jwts.go fails to validate the JWT signature when verifying host tokens. An attacker can forge a JWT signed with any arbit…

EPSS: 0.001 (22.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Netmaker
N/a — versions n/a

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cve@mitre.org (Patch)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Exploit, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-38651?: CVE-2026-38651 is a high-severity vulnerability in Netmaker, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.2/10. Published 2026-04-28.
How severe is CVE-2026-38651?: High severity. CVSS v3 base score is 8.2 out of 10.