Is CVE-2026-18787 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18787?

CVE-2026-18787 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-18787

Description

A vulnerability was identified in GL.iNet AX1800 up to 4.8.3. The affected element is the function remove_rule of the file /usr/share/gl-ngx/oui-rpc.lua of the component RPC Endpoint. The manipulation of the argument args.id leads to command injection. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.