CVE-2026-56677: 9router <= 0.5.4

CVE-2026-56677. CVSS 3.1 base score 8.6 (HIGH, Vendor/CNA). EPSS 0.00375 (percentile 0.30229), scored 22-Oct-2026.

Affected technology

9router · <= 0.5.4
decolua

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 8.6/10) rates confidentiality and availability impact as low; integrity impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 23-Oct-2026 16:20 UTC

CWE: CWE-306, CWE-918
CCR priority: 34.5 /100 (P4)
CVSS 3.1: 8.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L · Vendor/CNA
EPSS: 0.00375 · percentile 0.30229 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-23 16:20:36.797830+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-56677.html