CVE-2026-38651

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Summary

CVECVE-2026-38651
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-28 16:16:13 UTC
Updated2026-04-28 20:23:20 UTC
DescriptionAuthentication 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

Risk And Classification

Primary CVSS: v3.1 8.2 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Problem Types: CWE-347 | n/a | CWE-347 CWE-347 Improper Verification of Cryptographic Signature

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
www.zyenra.com/blog/netmaker-jwt-verification-bypass 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.zyenra.com
github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b [email protected] github.com
www.zyenra.com/advisories/netmaker-jwt-verification-bypass [email protected] www.zyenra.com
www.zyenra.com/advisories/netmaker-jwt-verification-bypass 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.zyenra.com
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