> CVE-2026-38651

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PUBLISHED
2026-04-28 16:16
MODIFIED
2026-04-28 16:16
EPSS (Prob. Exploit)
0.44%
Top 62.8%
DATA SOURCES:
NVD 🔗 2026-04-28 FIRST EPSS 🔗 2026-10-25 GITHUB 🔗 2026-11-05 OSV 🔗 2026-09-20

> DESCRIPTION

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_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> GITHUB SECURITY ADVISORY

GHSA-qpv2-rwc8-c993 CRITICAL

Netmaker does not verify JWT signatures for host tokens

AFFECTED PACKAGES:
GO / github.com/gravitl/netmaker
< 1.5.0
Fixed in: 1.5.0

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

AFFECTED PACKAGES:
Unknown / Unknown
65 versions affected
ALIASES:
GHSA-qpv2-rwc8-c993, GO-2026-5588

> HISTORIQUE DES MODIFICATIONS

Première apparition
28/04/2026 16:16
Source: NVD
Total des modifications: 0 Dernière mise à jour: 6 months ago

> REFERENCES

https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a...
https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass
https://www.zyenra.com/blog/netmaker-jwt-verification-bypass
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