CVE-2026-115325
highNetmaker through 1.7.0 contains an authorization bypass vulnerability in the updateExtClient handler that allows network-scoped users to modify external client…
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/gravitl/netmaker disclosure@vulncheck.com
- https://github.com/gravitl/netmaker/blob/v1.7.0/controllers/ext_client.go#L879 disclosure@vulncheck.com
- https://github.com/gravitl/netmaker/commit/332d8b9bab030ee65e78b9141259e4e0e80ac4b0 disclosure@vulncheck.com
- https://github.com/gravitl/netmaker/issues/3875 disclosure@vulncheck.com
- https://github.com/gravitl/netmaker/pull/4153 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/netmaker-through-1.7.0-authorization-bypass-via-updat... disclosure@vulncheck.com