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CVE-2026-38651

HIGH

8.2

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

Details CVE

Score CVSS v3.18.2

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/28/2026

Derniere modification4/28/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-347

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)

Correlations IOC

Aucune correlation enregistree

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