What is CVE-2026-40177?

CVE-2026-40177 is a high-severity vulnerability in Ajenti, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-04-10.

How severe is CVE-2026-40177?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Ajenti

CVE-2026-40177

ajenti.plugin.core defines all necessary core elements to allow Ajenti to run properly. Prior to 0.112, if the 2FA was activated, it was possible to bypass the password authentication This vulnerability is fixed in 0.112.

Vulnerability class: Broken Authentication

EPSS: 0.003 (25.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Ajenti — versions < 0.112
Ajenti Ajenti_plugin_core

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-40177?: CVE-2026-40177 is a high-severity vulnerability in Ajenti, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-04-10.
How severe is CVE-2026-40177?: High severity. CVSS v3 base score is 7.5 out of 10.