CVE-2026-76855 Netcore NR255-V 1.5.130703 Cross-User Session Disclosure via Audit Endpoints
Attackers can access other users' session and browsing history data via audit endpoints in Netcore NR255-V routers.
- 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-2026-76855?
CVE-2026-76855 is a high-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 audit endpoints handled by l7_web_auth_log_dump_cgi.c, audit_get_cgi.c, and mod_dispatch_auth/plan.json. Attackers can query these audit components to obtain other users' session and browsing history data across sessions.
Weakness: CWE-359
Which versions are affected by CVE-2026-76855?
How do I fix CVE-2026-76855?
No fix has been published for CVE-2026-76855 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76855 being exploited?
There is no known exploitation of CVE-2026-76855 in the wild and no public exploit code.
Sources
Also known as GHSA-wpff-j8jq-xfhj.