TI-2026-28235 Aliases CVE-2026-38968 GHSA-5rrm-76q9-hp77

ntopng through 6.6 is vulnerable to Predictable Session Identifier which can lead to…

MEDIUM 50CWE-341Published 2026-07-02 · Updated 2026-07-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00553 46th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ntop:ntopng::::::::	up to 6.6	Vulnerable	ntop

cpe:2.3:a:ntop:ntopng:*:*:*:*:*:*:*:* Versions up to 6.6 Vulnerable ·ntop

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-38968
2026-10-03 Alias added: GHSA-5rrm-76q9-hp77

References

Patch 2

TI-2018-08982 An issue was discovered in ntopng 3.4 before 3.4.180617. CVSS 3.1HIGH 8.1
TI-2017-03496 Cross-site request forgery (CSRF) vulnerability in ntopng through 2.4 allows remote… CVSS 3.0HIGH 8.8
TI-2017-05107 The NetworkInterface::getHost function in NetworkInterface.cpp in ntopng before 3.0… CVSS 3.0HIGH 7.5
TI-2015-06889 ntopng (aka ntop) before 2.2 allows remote authenticated users to change the login… CVSS 2.0MEDIUM 6.0
TI-2017-05108 ntopng before 3.0 allows HTTP Response Splitting. CVSS 3.0HIGH 7.5
TI-2017-05069 ntopng before 3.0 allows XSS because GET and POST parameters are improperly validated. CVSS 3.0MEDIUM 6.1

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences