Vulnerabilities in pkg:pypi/python-mistralclient

PACKAGE
Advisory Identifier: GHSA-75hx-6r6j-hw56
Share
Advisory Summary

CVE-2021-4472 is a MODERATE (CVSS 6.5) openstack's mistral client has a vulnerability (CWE-73: External Control of File Name or Path) affecting Python mistralclient libraries in the PyPI ecosystem. The issue involves openstack's mistral client has a local file inclusion vulnerability. Remediation is available by upgrading affected packages to version 4.3.0.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:pypi/python-mistralclient

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:pypi/python-mistralclient. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-75hx-6r6j-hw56 CVE-2021-4472 MODERATE OpenStack's Mistral Client has a local file inclusion vulnerability

CVE-2021-4472 at a Glance

CVE Identifier CVE-2021-4472
GHSA Identifier GHSA-75hx-6r6j-hw56
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification CWE-73: External Control of File Name or Path
Affected Product Python mistralclient
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 6.5

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

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

How to Fix CVE-2021-4472

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

python-mistralclient fixed: 4.3.0 
pip install python-mistralclient>=4.3.0
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 python-mistralclient

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2021-4472, inspect your installed packages using pip:

pip show python-mistralclient

Analyze the terminal output to locate any version of Python mistralclient in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.3.0), your application is affected.

Note: The pip show python-mistralclient command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-73: External Control of File Name or Path, where the product allows user input to control or influence paths or file names that are used in filesystem operations. In Python mistralclient, 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

The mistral-dashboard plugin for openstack has a local file inclusion vulnerability through the 'Create Workbook' feature that may result in disclosure of arbitrary local files content.

CVE-2021-4472 Affected Python mistralclient Versions

1 component(s)
Fixed Versions:
4.3.0
Product / Package Ecosystem Affected Versions Fixed Version
python-mistralclient
pypi/python-mistralclient
PyPI
< 4.3.0
4.3.0

References

NVD — CVE-2021-4472 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4472
Python mistralclient Security Information SECURITY
https://access.redhat.com/security/cve/CVE-2021-4472
bugs.launchpad.net/horizon/+bug/193155... WEB
https://bugs.launchpad.net/horizon/+bug/1931558
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=2417321
lists.debian.org/debian-lts-announce... WEB
https://lists.debian.org/debian-lts-announce/2025/12/msg00002.html
lists.debian.org/debian-lts-announce... WEB
https://lists.debian.org/debian-lts-announce/2025/12/msg00003.html
opendev.org/openstack/mistral-d... PACKAGE
https://opendev.org/openstack/mistral-dashboard
review.opendev.org/c/openstack/mistral... WEB
https://review.opendev.org/c/openstack/mistral-dashboard/+/800952
review.opendev.org/c/openstack/python-... WEB
https://review.opendev.org/c/openstack/python-mistralclient/+/800950

Frequently Asked Questions

What is CVE-2021-4472?
CVE-2021-4472 is a security vulnerability in Python mistralclient involving OpenStack's Mistral Client has a local file inclusion vulnerability under CWE-73: External Control of File Name or Path.
Which Python mistralclient versions are affected?
Affected versions include releases prior to 4.3.0 across affected packages: python-mistralclient.
What version fixes CVE-2021-4472?
Upgrading to 4.3.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is python-mistralclient affected?
Yes, python-mistralclient is affected in releases prior to 4.3.0. Upgrade your dependency to 4.3.0 or later.
What is the CVSS score of CVE-2021-4472?
CVE-2021-4472 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2021-4472?
CVE-2021-4472 is classified under CWE-73: External Control of File Name or Path (The product allows user input to control or influence paths or file names that are used in filesystem operations.).
How can I check PyPI dependencies for CVE-2021-4472?
Run the dependency tree command: 'pip show python-mistralclient'. 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-75hx-6r6j-hw56",
  "modified" : "2025-12-01T09:30:26Z",
  "published" : "2025-11-26T21:31:25Z",
  "aliases" : [ "CVE-2021-4472" ],
  "summary" : "OpenStack's Mistral Client has a local file inclusion vulnerability",
  "details" : "The mistral-dashboard plugin for openstack has a local file inclusion vulnerability through the 'Create Workbook' feature that may result in disclosure of arbitrary local files content.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "python-mistralclient"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.3.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-4472"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/security/cve/CVE-2021-4472"
  }, {
    "type" : "WEB",
    "url" : "https://bugs.launchpad.net/horizon/+bug/1931558"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2417321"
  }, {
    "type" : "WEB",
    "url" : "https://lists.debian.org/debian-lts-announce/2025/12/msg00002.html"
  }, {
    "type" : "WEB",
    "url" : "https://lists.debian.org/debian-lts-announce/2025/12/msg00003.html"
  }, {
    "type" : "PACKAGE",
    "url" : "https://opendev.org/openstack/mistral-dashboard"
  }, {
    "type" : "WEB",
    "url" : "https://review.opendev.org/c/openstack/mistral-dashboard/+/800952"
  }, {
    "type" : "WEB",
    "url" : "https://review.opendev.org/c/openstack/python-mistralclient/+/800950"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-73" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-11-28T16:51:29Z",
    "nvd_published_at" : "2025-11-26T19:15:46Z"
  }
}