CVE-2026-38651
highAuthentication Bypass vulnerability exists in Netmaker versions prior to 1.5.0.
Vendor / product: Netmaker — netmaker
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 arbitrary key and use it to impersonate any host in the network, gaining access to sensitive information
CVSS
8.2
8.2 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-04-28 16:16
Modified: 2026-11-11 23:10
NVD status: Analyzed
Last synced 3 hours ago
Verified against the source API 2026-11-11 23:13 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
netmaker / netmaker <1.5.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b cve@mitre.org
- https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass cve@mitre.org
- https://www.zyenra.com/blog/netmaker-jwt-verification-bypass cve@mitre.org
- https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass/ 134c704f-9b21-4f2e-91b3-4a467353bcc0
- https://www.zyenra.com/blog/netmaker-jwt-verification-bypass 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-11-11 23:13 UTC · record ↗