Security Advisory
CVE-2026-38968
9.8
CRITICAL
Vulnerability Description
ntopng through 6.6 is vulnerable to Predictable Session Identifier which can lead to Session Hijacking. HTTP session identifiers in src/HTTPserver.cpp use weak time-seeded pseudo-randomness during session creation. As a result, fresh authenticated logins can receive deterministic or colliding session cookies under attacker-controlled timing.
Published Date
July 2, 2026
Official Source
NIST NVD Advisory