CVE-2026-115325
8.3, highGravitl netmaker Authorization Bypass Through User-Controlled Key Vulnerability
- CVSS
- 8.3, high high CVSS v3.1
- EPSS, next 30 days
- n/a
- Exploitation
- No public evidence
- Published
- 22 Oct 2026yesterday
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.
Details
- Vendor
- Gravitl
- Product
- netmaker
- Weakness
- CWE-639 (opens in a new tab)
- Status
- Deferred
- Updated
- 22 Oct 2026
- Assigner
- disclosure@vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
References 6
Patches and fixes 2
Other references 4
- github.com /gravitl/netmaker (opens in a new tab)
- github.com /gravitl/netmaker/blob/v1.7.0/controllers/ext_client.go#L879 (opens in a new tab)
- github.com /gravitl/netmaker/issues/3875 (opens in a new tab)
- vulncheck.com /advisories/netmaker-through-1.7.0-authorization-bypass-via-updateextclient-unscoped-lookup (opens in a new tab)
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Beyond this page
Is CVE-2026-115325 in your network?
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 23 Oct 2026, not the live upstream state.