Findings

CVE-2026-38651

Authentication Bypass vulnerability exists in Netmaker versions prior to 1.5.0.

Published Apr 28, 2026 · updated Jun 17, 2026 · 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

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 28, 2026 · NIST NVD

    Detected

    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

  2. Jun 17, 2026 · NIST NVD

    Updated

    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

Affected

  • cpe netmaker/netmakerversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-38651

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-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 arbitrary key and use it to impersonate any ho

    nvd.nist.gov

References

CVE-2026-38651 · ZeroDay Findings