OS Command InjectionWeakness · CWE-78

CVE-2026-32968

CRITICAL · 9.8 CVSS v3.1 Published 2026-03-23
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Due to the improper neutralisation of special elements used in an OS command, an unauthenticated remote attacker can exploit an RCE vulnerability in the com_mb24sysapi module, resulting in full system compromise. This vulnerability is a variant attack for CVE-2020-10383.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is an OS command injection vulnerability in the com_mb24sysapi module that allows unauthenticated remote attackers to execute arbitrary OS commands on the target system due to improper neutralisation of special elements in user input. It is a variant of the previously disclosed CVE-2020-10383.

MitigationApply vendor patches immediately if available. If no patch exists, disable or remove the com_mb24sysapi module, or implement strict input validation and escaping on all user-supplied parameters before passing them to OS command execution functions.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify if com_mb24sysapi component is installed
    Check for the presence of the component directory at /components/com_mb24sysapi/ or /administrator/components/com_mb24sysapi/ via file system inspection or web directory enumeration
    Affected if The directory /components/com_mb24sysapi/ or /administrator/components/com_mb24sysapi/ exists on the web server
  2. Verify the component is enabled and accessible
    Attempt a HEAD request to the component's entry point (e.g., /index.php?option=com_mb24sysapi) or check the Joomla database #__extensions table for the component's enabled status
    Affected if The component responds or is listed as enabled in the Joomla extensions table
  3. Determine the installed version of com_mb24sysapi
    Inspect the component's manifest file at /administrator/components/com_mb24sysapi/mb24sysapi.xml or the main PHP file for a version string, then compare against known vulnerable versions from CVE-2020-10383
    Affected if The installed version matches or predates the vulnerable version range associated with CVE-2020-10383
  4. Check for exposure of user-supplied input to OS command execution
    Review the component's PHP source files (particularly in /components/com_mb24sysapi/) for use of exec(), shell_exec(), system(), passthru(), or similar functions with unsanitized $_REQUEST, $_GET, or $_POST parameters
    Affected if The code passes user-supplied parameters directly to shell execution functions without proper sanitization

You are affected if the com_mb24sysapi component is installed and accessible, and its version is within the vulnerable range or the code lacks input sanitization before OS command execution.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor patches immediately if available. If no patch exists, disable or remove the com_mb24sysapi module, or implement strict input validation and escaping on all user-supplied parameters before passing them to OS command execution functions.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation8.0 h
  • Testing5.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,150
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Scan for this in your stack

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dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-32968 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data