CVE-2026-40177: Ajenti.plugin.core Ajenti.plugin.core Has Password Bypass When Vulnerability

CRITICAL
Advisory Identifier: GHSA-3mcx-6wxm-qr8v
Share
CVSS 7.5
CWE-287
Published
Advisory Summary

CVE-2026-40177 is a CRITICAL (CVSS 7.5) ajenti.plugin.core has password bypass when vulnerability (CWE-287: Improper Authentication) affecting Ajenti.plugin.core libraries in the PyPI ecosystem. The issue involves ajenti.plugin.core has password bypass when 2fa is activated. Remediation is available by upgrading affected packages to version 0.112.

CVE-2026-40177 at a Glance

CVE Identifier CVE-2026-40177
GHSA Identifier GHSA-3mcx-6wxm-qr8v
Severity CRITICAL
CVSS v3.1 Base Score 7.5
CWE Classification CWE-287: Improper Authentication
Affected Product Ajenti.plugin.core
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2026-40177

To remediate this vulnerability, upgrade all affected Ajenti.plugin.core dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

ajenti.plugin.core fixed: 0.112 
pip install ajenti.plugin.core>=0.112
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show ajenti.plugin.core

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2026-40177, inspect your installed packages using pip:

pip show ajenti.plugin.core

Analyze the terminal output to locate any version of Ajenti.plugin.core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.112), your application is affected.

Note: The pip show ajenti.plugin.core command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-287: Improper Authentication, where when an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. In Ajenti.plugin.core, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact If the 2FA was activated, it was possible to bypass the password authentication ### Patches This is fixed in the version 0.112. Users should upgrade to this version as soon as possible.

CVE-2026-40177 Affected Ajenti.plugin.core Versions

1 component(s)
Fixed Versions:
0.112
Product / Package Ecosystem Affected Versions Fixed Version
ajenti.plugin.core
pypi/ajenti.plugin.core
PyPI
< 0.112
0.112

References

GitHub Advisory / Wiki ADVISORY
https://github.com/ajenti/ajenti/security/advisories/GHSA-3mcx-6wxm-qr8v
NVD — CVE-2026-40177 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40177
Ajenti.plugin.core Source Repository REPOSITORY
https://github.com/ajenti/ajenti

Frequently Asked Questions

What is CVE-2026-40177?
CVE-2026-40177 is a security vulnerability in Ajenti.plugin.core involving ajenti.plugin.core has password bypass when 2FA is activated under CWE-287: Improper Authentication.
Which Ajenti.plugin.core versions are affected?
Affected versions include releases prior to 0.112 across affected packages: ajenti.plugin.core.
What version fixes CVE-2026-40177?
Upgrading to 0.112 (or the latest patched release for your respective branch) resolves the vulnerability.
Is ajenti.plugin.core affected?
Yes, ajenti.plugin.core is affected in releases prior to 0.112. Upgrade your dependency to 0.112 or later.
What is the CVSS score of CVE-2026-40177?
CVE-2026-40177 has a CVSS v3.1 base score of 7.5 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2026-40177?
CVE-2026-40177 is classified under CWE-287: Improper Authentication (When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.).
How can I check PyPI dependencies for CVE-2026-40177?
Run the dependency tree command: 'pip show ajenti.plugin.core'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-3mcx-6wxm-qr8v",
  "modified" : "2026-04-24T21:09:45Z",
  "published" : "2026-04-10T19:47:31Z",
  "aliases" : [ "CVE-2026-40177" ],
  "summary" : "ajenti.plugin.core has password bypass when 2FA is activated",
  "details" : "### Impact\n\nIf the 2FA was activated, it was possible to bypass the password authentication\n\n### Patches\n\nThis is fixed in the version 0.112. Users should upgrade to this version as soon as possible.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "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"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "ajenti.plugin.core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.112"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/ajenti/ajenti/security/advisories/GHSA-3mcx-6wxm-qr8v"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-40177"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ajenti/ajenti"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-287" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-04-10T19:47:31Z",
    "nvd_published_at" : "2026-04-10T20:16:22Z"
  }
}