CVEvulnerability
CVE-2026-38651
8.2 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
- Weaknesses
- CWE-347
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 configurations
• netmaker netmaker (< 1.5.0)
Related
Weakness · CWE (1)
- CWE-347 Improper Verification of Cryptographic Signature weakness
References
- https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b Patch
- https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass Exploit, Third Party Advisory
- https://www.zyenra.com/blog/netmaker-jwt-verification-bypass Exploit, Third Party Advisory
- https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass/ Exploit, Third Party Advisory
- https://www.zyenra.com/blog/netmaker-jwt-verification-bypass Exploit, Third Party Advisory