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CVE-2026-38651

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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:170bee1fee3ea2c95f58f347031ca6d130ecc9cde6b464e6a722c7709b891c51
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"url":"https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/cna/references/0
{"url":"https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/adp/0/references/0
{"tags":["exploit"],"url":"https://www.zyenra.com/blog/netmaker-jwt-verification-bypass"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/adp/0/references/1
{"url":"https://www.zyenra.com/blog/netmaker-jwt-verification-bypass"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8e554b530931406bde355d7f1a033b8790e8a7c394f00aa949b463825fac62d · sha256:6c61386546f5427a… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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