What is CVE-2026-76855?

CVE-2026-76855 is a medium-severity vulnerability in Netcore Nr255-V, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 6.5/10. Published 2026-09-15.

How severe is CVE-2026-76855?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Netcore Nr255-V

CVE-2026-76855

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.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Netcore Nr255-v — versions 1.5.130703

Weakness classification (CWE)

CWE-359 — Exposure of Private Personal Information to an Unauthorized Actor

References

disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-76855?: CVE-2026-76855 is a medium-severity vulnerability in Netcore Nr255-V, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 6.5/10. Published 2026-09-15.
How severe is CVE-2026-76855?: Medium severity. CVSS v3 base score is 6.5 out of 10.