---
title: "CVE-2026-40177: ajenti.plugin.core has password bypass when 2FA is activated"
url: https://erroneo.us/security/cve/CVE-2026-40177/
description: "CVE-2026-40177 (ajenti.plugin.core (PyPI)): ajenti.plugin.core defines all necessary core elements to allow Ajenti to run properly. Prior to 0.112, if the…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-04-10
date_modified: 2026-04-24
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-40177"
kev: false
cvss: 9.3
epss: 0.00447
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-40177: ajenti.plugin.core has password bypass when 2FA is activated

**Signal:** Critical and remotely reachable. No known exploitation yet, but it is network-reachable without credentials. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- No confirmed exploitation. It is not in CISA’s KEV catalog and CISA’s SSVC assessment records no known exploitation. That can change quickly after a public write-up; re-check if you are affected.
- EPSS 0.4% , percentile 38: FIRST’s model estimates a 0.4% chance of exploitation activity in the next 30 days, higher than 38% of all scored CVEs (low). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
- Only applies if your dependency tree includes ajenti.plugin.core (PyPI) < 0.112, fixed in 0.112 . Check your lockfile, including transitive dependencies.

## What it is

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.

## Affected packages

- PyPI `ajenti.plugin.core` < 0.112 → fixed: 0.112

## Affected products (CVE record)

- ajenti ajenti: < 0.112

## Severity

- GitHub_M CVSS 4.0: 9.3 `CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`
- GitHub CVSS 4.0: 9.1 `CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation none , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.45% probability of exploitation activity in the next 30 days; percentile 38.

## Sources

- [GitHub Advisory GHSA-3mcx-6wxm-qr8v](https://github.com/advisories/GHSA-3mcx-6wxm-qr8v)
- [CVE.org record CVE-2026-40177](https://www.cve.org/CVERecord?id=CVE-2026-40177)
- [NVD entry CVE-2026-40177](https://nvd.nist.gov/vuln/detail/CVE-2026-40177)
- [github.com](https://github.com/ajenti/ajenti/security/advisories/GHSA-3mcx-6wxm-qr8v)

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Source page: https://erroneo.us/security/cve/CVE-2026-40177/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt