---
cve: "CVE-2026-38968"
severity: "CRITICAL"
cvss: 9.8
epss: "0.6%"
vendor: "n/a"
kev: false
exploited: false
published: "2026-07-02 21:16:55"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-24T21:43:31+02:00"
---

# CVE-2026-38968

> 9.8 CRITICAL · 🧪 PoC

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **mitre**
- State: PUBLISHED
- Stand: 2026-07-06 17:16:49

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-341** — Predictable from Observable State
  A number or object is predictable based on observations that the attacker can make about the state of the system or network, such as time, process ID, etc.

## Patch verfügbar (OSV)

- 14e22497233dc7d31d19dccb74b13bb073d16c2c (Commit)
- 179a346ceb6239fd36128ccca3efa8f9ea61eeb5 (Commit)

## Referenzen

- <https://github.com/ntop/ntopng/commit/179a346ceb6239fd36128ccca3efa8f9ea61eeb5>
- <https://github.com/ntop/ntopng/commit/14e22497233dc7d31d19dccb74b13bb073d16c2c>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-38968/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_