CVE-2026-38651
Netmaker does not verify JWT signatures for host tokens
Kaynağa göre önem derecesi
Trivy'nin kendi etiketi CRITICAL. Kritik diyenler: GHSA.
Açıklama
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
Etkilenen paketler ve düzeltilmiş sürümler
| Kaynak | Paket | Düzeltildiği sürüm |
|---|---|---|
| go::GitHub Security Advisory Go | github.com/gravitl/netmaker | 1.5.0 |
Referanslar
- https://github.com/gravitl/netmaker
- https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b
- https://nvd.nist.gov/vuln/detail/CVE-2026-38651
- https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass
- https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass/
- https://www.zyenra.com/blog/netmaker-jwt-verification-bypass