CVE-2026-38968

CRITICAL

ntopng Predictable Session Identifier Leading to Session Hijacking

Generated titleSource: EIP title enrichment
STIX 2.1 vulnerability

Record summary

CVE-2026-38968 has a selected CVSS score of 9.8 (critical).

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableYes
Technical impactTotal

CISA Coordinator · SSVC 2.0.3 · Evaluated Jul 6, 2026 · Source: CVE List

References

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