CVE-2026-38651HIGH 8.2EPSS p21.3%
CVE-2026-38651CVE-2026-38651
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
Scoring
| CVSS 3.1 | 8.2 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
| EPSS | 0.30% probability of exploitation · percentile 21.3% · 2026-06-18T12:00:27Z |
| Published | 2026-04-28 |
| Last modified | 2026-05-18 |
Underlying weaknesses· 1
References
- https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b
- https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass
- https://www.zyenra.com/blog/netmaker-jwt-verification-bypass
- https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass/
- https://www.zyenra.com/blog/netmaker-jwt-verification-bypass
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Verification of Cryptographic Signaturecwe-347 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.