CVE-2026-115325
Netmaker through 1.7.0 contains an authorization bypass vulnerability in the updateExtClient…
- Risk score
- 54/100
- CVSS
- 8.3 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 22 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 k…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.3 high
References
- https://github.com/gravitl/netmaker
- https://github.com/gravitl/netmaker/blob/v1.7.0/controllers/ext_client.go#L879
- https://github.com/gravitl/netmaker/commit/332d8b9bab030ee65e78b9141259e4e0e80ac4b0
- https://github.com/gravitl/netmaker/issues/3875
- https://github.com/gravitl/netmaker/pull/4153
- https://www.vulncheck.com/advisories/netmaker-through-1.7.0-authorization-bypass-via-updateextclient-unscoped-lookup
Original 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.
Last activity 22 Oct 2026. Patch Forecast updates every hour.