Auth bypass in Siemens Ruggedcom Crossbow
CVE-2026-89199
A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0). Affected devices do not properly restrict access to sensitive configuration items via specific database queries. This could allow an authenticated attacker to retrieve administrative credentials for various internal systems, leading to unauthorized information disclosure and privilege escalation.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-89199?
- CVE-2026-89199 is a high-severity vulnerability in Siemens Ruggedcom Crossbow, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-10-13.
- How severe is CVE-2026-89199?
- High severity. CVSS v3 base score is 8.8 out of 10.