{"id":"CVE-2026-115325","published":"2026-10-22T11:17:51.400","lastModified":"2026-10-23T15:17:27.940","description":"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.","cvssScore":8.3,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/gravitl/netmaker","tags":[]},{"url":"https://github.com/gravitl/netmaker/blob/v1.7.0/controllers/ext_client.go#L879","tags":[]},{"url":"https://github.com/gravitl/netmaker/commit/332d8b9bab030ee65e78b9141259e4e0e80ac4b0","tags":[]},{"url":"https://github.com/gravitl/netmaker/issues/3875","tags":[]},{"url":"https://github.com/gravitl/netmaker/pull/4153","tags":[]},{"url":"https://www.vulncheck.com/advisories/netmaker-through-1.7.0-authorization-bypass-via-updateextclient-unscoped-lookup","tags":[]}],"exploitRefs":[{"url":"https://github.com/gravitl/netmaker","tags":[]},{"url":"https://github.com/gravitl/netmaker/blob/v1.7.0/controllers/ext_client.go#L879","tags":[]},{"url":"https://github.com/gravitl/netmaker/commit/332d8b9bab030ee65e78b9141259e4e0e80ac4b0","tags":[]},{"url":"https://github.com/gravitl/netmaker/issues/3875","tags":[]},{"url":"https://github.com/gravitl/netmaker/pull/4153","tags":[]}],"hasPoc":true,"ai":null}