[IT-SecNots] [Security-news] Content Synchronizer - Critical - Remote code execution - SA-CONTRIB-2026-293

[security-news AT drupal.org]

View online: https://www.drupal.org/sa-contrib-2026-293

Project: Content Synchronizer [1]
Project machine name: content_synchronizer
Date: 2026-November-04
Security risk: *Critical* 17 ∕ 25
AC:Basic/A:Admin/CI:All/II:All/E:Theoretical/TD:All [2]
Vulnerability: Remote code execution

Affected versions: <4.1.1
CVE IDs: CVE-2026-118547
Description: 
The Content Synchronizer module allows content to be exported and imported
between Drupal sites via uploaded archive files.

A maliciously crafted import file can cause untrusted data to be deserialized
(PHP Object Injection, CWE-502), potentially leading to remote code
execution.

Solution: 
Install the latest version:

 * Upgrade to Content Synchronizer 4.1.1 [3].

Reported By: 
 * Drew Webber (mcdruid) [4] of the Drupal Security Team

Fixed By: 
 * Oleh Shevchuk (alt.dev) [5]
 * Bohdan Artemchuk (bohart) [6]
 * Drew Webber (mcdruid) [7] of the Drupal Security Team

Coordinated By: 
 * Swan Kalata (akalata) [8] of the Drupal Security Team
 * Neil Drumm (drumm) [9] of the Drupal Security Team
 * Greg Knaddison (greggles) [10] of the Drupal Security Team
 * Drew Webber (mcdruid) [11] of the Drupal Security Team
 * Juraj Nemec (poker10) [12] of the Drupal Security Team
 * Jess  (xjm) [13] of the Drupal Security Team

------------------------------------------------------------------------------
Contribution record [14]

[1] https://www.drupal.org/project/content_synchronizer
[2] https://www.drupal.org/drupal-security-team/security-risk-levels-defined
[3] https://www.drupal.org/project/content_synchronizer/releases/4.1.1
[4] https://www.drupal.org/u/mcdruid
[5] https://www.drupal.org/u/altdev
[6] https://www.drupal.org/u/bohart
[7] https://www.drupal.org/u/mcdruid
[8] https://www.drupal.org/u/akalata
[9] https://www.drupal.org/u/drumm
[10] https://www.drupal.org/u/greggles
[11] https://www.drupal.org/u/mcdruid
[12] https://www.drupal.org/u/poker10
[13] https://www.drupal.org/u/xjm
[14]  
https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal.org/node/3615880

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