CVE-2026-76863 Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via QoS Bandwidth Plan Routes
Authenticated users with broad roles can access QoS routes to obtain live network telemetry beyond their intended privilege level.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76863?
CVE-2026-76863 is a medium-severity vulnerability in Netcore NR255-V, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-76863?
How do I fix CVE-2026-76863?
No fix has been published for CVE-2026-76863 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76863 being exploited?
There is no known exploitation of CVE-2026-76863 in the wild and no public exploit code.
Sources
Also known as GHSA-pxfg-875r-4xm4.