{"dataType":"CVE_RECORD","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2026-38651","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","dateUpdated":"2026-04-28T17:34:42.863Z","dateReserved":"2026-04-06T00:00:00.000Z","datePublished":"2026-04-28T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2026-04-28T15:44:00.225Z"},"descriptions":[{"lang":"en","value":"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":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b"},{"url":"https://www.zyenra.com/blog/netmaker-jwt-verification-bypass"},{"url":"https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-347","lang":"en","description":"CWE-347 Improper Verification of Cryptographic Signature"}]}],"references":[{"url":"https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass/","tags":["exploit"]},{"url":"https://www.zyenra.com/blog/netmaker-jwt-verification-bypass","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.2,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-28T17:34:36.148138Z","id":"CVE-2026-38651","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-28T17:34:42.863Z"}}]},"dataVersion":"5.2"}