What is CVE-2026-45550?

CVE-2026-45550 is a critical-severity vulnerability in Roxy-wi, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.1/10. Published 2026-06-10.

How severe is CVE-2026-45550?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Roxy-wi

CVE-2026-45550

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior, PUT /smon/check (app/routes/smon/routes.py:117-138) gates only on roxywi_common.check_user_group_for_flask() — which vali…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (9.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L.

Affected products

Roxy-wi — versions <= 8.2.6.4

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key
CWE-862 — Missing Authorization
CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45550?: CVE-2026-45550 is a critical-severity vulnerability in Roxy-wi, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.1/10. Published 2026-06-10.
How severe is CVE-2026-45550?: Critical severity. CVSS v3 base score is 9.1 out of 10.