---
id: CVE-2021-41326
title: >-
  In MISP before 2.4.148, app/Lib/Export/OpendataExport.php mishandles parameter
  data that is used in a shell_exec call.
summary: >-
  In MISP before 2.4.148, app/Lib/Export/OpendataExport.php mishandles parameter
  data that is used in a shell_exec call.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: misp-project
product: misp
affected:
  - misp < 2.4.148
patched:
  - misp 2.4.148
published: '2021-09-17'
updated: '2026-06-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-41326'
references:
  - url: >-
      https://github.com/MISP/MISP/commit/e36f73947e741bc97320f0c42199acd1a94c7051
    label: cve@mitre.org
  - url: 'https://github.com/MISP/MISP/compare/v2.4.147...v2.4.148'
    label: cve@mitre.org
  - url: >-
      https://zigrin.com/advisories/misp-command-injection-vulnerability-in-opendata-export/
    label: cve@mitre.org
  - url: >-
      https://github.com/MISP/MISP/commit/e36f73947e741bc97320f0c42199acd1a94c7051
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/MISP/MISP/compare/v2.4.147...v2.4.148'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://zigrin.com/advisories/misp-command-injection-vulnerability-in-opendata-export/
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01795
epssPercentile: 0.7749
ingestedAt: '2026-06-29T13:24:33.480Z'
---

## Overview

In MISP before 2.4.148, app/Lib/Export/OpendataExport.php mishandles parameter data that is used in a shell_exec call.

## Affected

- `misp < 2.4.148`

## Remediation

Upgrade past the affected range:

- `misp 2.4.148`