CVE-2026-38651: netmaker
Vulnerability summary
CVE-2026-38651 is a high (CVSS 8.2) vulnerability in netmaker. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 29% of scored vulnerabilities. 3 public exploits are recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 28-04-2026PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
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
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · GoEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
- NVDNIST8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
Decrease -0.09 pp
From 0.44% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
3 foundExploit Reference (zyenra.com)
Maturity: unknown
Exploit Reference (zyenra.com)
Maturity: unknown
Exploit Reference (zyenra.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Github.com/gravitl1 product
- netmaker< 1.5.0
Netmaker1 product
- netmaker< 1.5.0
2 vendors · 2 products
References
7 links
- github.com/gravitl/netmakerPACKAGE