CVE-2026-115325Netmaker through 1.7.0 Authorization Bypass via updateExtClient Unscoped Lookup
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 22, 2026
- First seen by InfoSec Signals
- Oct 22, 2026
Affected products
gravitl netmaker gravitl:netmaker (from the name) | through 1.7.0 | CNA record |
References
- https://github.com/gravitl/netmaker/issues/3875issue-tracking
- https://github.com/gravitl/netmaker/pull/4153patch, issue-tracking
- https://github.com/gravitl/netmaker/commit/332d8b9bab030ee65e78b9141259e4e0e80ac4b0patch
- https://github.com/gravitl/netmaker/blob/v1.7.0/controllers/ext_client.go#L879technical-description
- https://github.com/gravitl/netmakerproduct
- https://www.vulncheck.com/advisories/netmaker-through-1.7.0-authorization-bypass-via-updateextclient-unscoped-lookupthird-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.