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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-38651

31
FAUCET Score

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

First published: Apr 28, 2026Last modified: Apr 28, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 1.5.0CPE matchmatch criteria
cpe:2.3:a:netmaker:netmaker:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 5th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/gravitl/netmakerFixed in: 1.5.0

Vendor Advisories (1)

goGHSA-qpv2-rwc8-c993critical

Netmaker does not verify JWT signatures for host tokens

Apr 28, 2026

References

zyenra.com / advisories/netmaker-jwt-verification-bypass
ExploitThird Party Advisory
github.com / gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b
Patch
zyenra.com / advisories/netmaker-jwt-verification-bypass
ExploitThird Party Advisory
zyenra.com / blog/netmaker-jwt-verification-bypass
ExploitThird Party Advisory