CVE-2026-38651

Descripción

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

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b Patch
• https://www.zyenra.com/blog/netmaker-jwt-verification-bypass ExploitThird Party Advisory
• https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass ExploitThird Party Advisory
• https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass/ ExploitThird Party Advisory