High 8.3Published Oct 22, 2026

CVE-2026-115325Netmaker through 1.7.0 Authorization Bypass via updateExtClient Unscoped Lookup

Updated under an hour ago (Oct 28, 2026, 12:50 PM ET)

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It affects gravitl netmaker. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.36%, higher than 30% of scored CVEs.

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Every CVE for gravitl netmaker

Exploited in the last 30 days

Netmaker through 1.7.0 contains an authorization bypass vulnerability in the updateExtClient handler that allows network-scoped users to modify external clients on other networks. Attackers with external client permissions on one network can send PUT requests to /api/extclients/{network}/{clientid} to replace public keys, disable clients, and obtain WireGuard private keys.

CVSS: 8.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.36% (percentile 30)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 23, 2026
First seen by InfoSec Signals: Oct 22, 2026

Affected products

Affected products

gravitl netmaker gravitl:netmaker (from the name)	through 1.7.0	CNA record

References

References

https://github.com/gravitl/netmaker/issues/3875	issue-tracking
https://github.com/gravitl/netmaker/pull/4153	patch, issue-tracking
https://github.com/gravitl/netmaker/commit/332d8b9bab030ee65e78b9141259e4e0e80ac4b0	patch
https://github.com/gravitl/netmaker/blob/v1.7.0/controllers/ext_client.go#L879	technical-description
https://github.com/gravitl/netmaker	product
https://www.vulncheck.com/advisories/netmaker-through-1.7.0-authorization-bypass-via-updateextclient-unscoped-lookup	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.