What is CVE-2026-9226?

CVE-2026-9226 is a medium-severity vulnerability in Devolutions Server, classified under Authentication Bypass by Capture-replay. CVSS score: 6.8/10. Published 2026-10-06.

How severe is CVE-2026-9226?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Devolutions Server

CVE-2026-9226

Authentication bypass in the Azure AD external login flow in Devolutions Server 2026.3.7.0 and earlier allows a remote attacker to take over a user's account via replay of a captured login-session token exposed in a redirect URL.

Published 2026-10-06 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

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

Devolutions Server

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

devolutions.net/security/advisories/DEVO-2026-0035/

Frequently asked questions

What is CVE-2026-9226?: CVE-2026-9226 is a medium-severity vulnerability in Devolutions Server, classified under Authentication Bypass by Capture-replay. CVSS score: 6.8/10. Published 2026-10-06.
How severe is CVE-2026-9226?: Medium severity. CVSS v3 base score is 6.8 out of 10.