Is CVE-2026-118562 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-118562 being exploited in the wild.

How severe is CVE-2026-118562?

Informational severity, published 30 October 2026.

Is there a fix for CVE-2026-118562?

Yes. Packagist:Https://Packages.Drupal.Org/8 Drupal/Single Content Sync: upgrade to 1.4.19 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-118562 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-118562?

Check whether you run Drupal Single Content Sync or Packagist:Https://Packages.Drupal.Org/8 Drupal/Single Content Sync at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-118562: Drupal Single Content Sync unsafe deserialization in import

CVE-2026-118562 · Severity: info · Published 2026-10-30

Single Content Sync is a Drupal module that allows content migration between sites by importing and exporting data. A maliciously crafted import file can execute arbitrary code on the target site if the attacker holds the "import single content" permission, enabling complete site compromise.

Technologies: Packagist:Https://Packages.Drupal.Org/8 Drupal/Single Content Sync. Vendors: Drupal, Packagist:Https://Packages.Drupal.Org/8.

Quick answers

Is CVE-2026-118562 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-118562 being exploited in the wild.
How severe is CVE-2026-118562?: Informational severity, published 30 October 2026.
Which products and versions are affected?: Drupal Single Content Sync before 1.4.19; Packagist:Https://Packages.Drupal.Org/8 Drupal/Single Content Sync ECOSYSTEM:introduced=0,fixed=1.4.19.
Is there a fix for CVE-2026-118562?: Yes. Packagist:Https://Packages.Drupal.Org/8 Drupal/Single Content Sync: upgrade to 1.4.19 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-118562 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-118562?: Check whether you run Drupal Single Content Sync or Packagist:Https://Packages.Drupal.Org/8 Drupal/Single Content Sync at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Packagist:Https://Packages.Drupal.Org/8 Drupal/Single Content Sync: upgrade to 1.4.19 or later

Technical details

The vulnerability is an unsafe deserialization flaw triggered when processing import files. An authenticated attacker with the "import single content" permission can craft a malicious import file containing serialized PHP objects that execute arbitrary code during deserialization. The attack requires authenticated access with a specific role, reducing but not eliminating the risk in shared hosting or multi-user environments.

Affected products

Drupal Single Content Sync before 1.4.19

Identifiers

CVE-2026-118562
DRUPAL-CONTRIB-2026-275

Timeline

2026-10-28: disclosed

References

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