Is CVE-2026-76863 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-76863?

CVE-2026-76863 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-76863

Description

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the mod_qos_bandwidth plan.json handling within filter_conns_dump_cgi.c and IGD_CgiCall.c. Authenticated users with broad roles can access these QoS read routes to obtain live network telemetry beyond their intended privilege level.