{"id":"CVE-2026-38651","details":"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","aliases":["GHSA-qpv2-rwc8-c993","GO-2026-5588"],"modified":"2026-07-15T01:49:03.157376585Z","published":"2026-04-28T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38651.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38651.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-38651"},{"type":"ADVISORY","url":"https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass"},{"type":"FIX","url":"https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b"},{"type":"ARTICLE","url":"https://www.zyenra.com/blog/netmaker-jwt-verification-bypass"},{"type":"EVIDENCE","url":"https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gravitl/netmaker","events":[{"introduced":"0"},{"fixed":"6b7d33fa7749c87e6b3c59b1a544d80c727c478b"},{"fixed":"5309aa70d464ef565911369714d661a61481a79b"}],"database_specific":{"cpe":"cpe:2.3:a:netmaker:netmaker:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.5.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v1.5.0","v1.4.0","v1.2.0","v1.1.0","v1.0.0","v0.99.0","v0.90.0","v0.30.0","v0.26.0","v0.25.0","v0.24.3","v0.24.2","v0.24.1","v0.24.0","v0.23.0","v0.22.0","v0.21.2","v0.21.1","v0.21.0","v0.20.6","v0.20.4","v0.20.5","v0.20.3","v0.20.2","v0.20.1","v0.20.0","v0.19.0","v0.18.7","v0.18.6","v0.18.4","v0.18.3","v0.18.2","v0.18.1","v0.18.0","v0.17.0","v0.16.2","v0.16.1","v0.16.0","v0.15.2","v0.15.1","v0.14.6","v0.14.5","v0.14.4","v0.14.3","v0.14.2","v0.14.1","v0.14.1-testing","v0.13.5-testing","v0.12.0","v0.11.1_testing","v0.11.1-testing","v0.11.0","v0.9.4","v0.10.0","v0.9.3","v0.9.2","v0.9.1","v0.9.0","v0.8.0","v0.7.1","v0.7","0.7","v0.5","v0.3","v0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-38651.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"}]}