Vulnerability · Published Oct 30, 2026 · Assigned by drupal
CVE-2026-118562Single Content Sync - Critical - Remote code execution - SA-CONTRIB-2026-275
Unrated
In plain English
A unsafe deserialization in Single Content Sync from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS )–Not rated
Exploit odds (30 days)0.3%top 81.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Deserialization of Untrusted Data vulnerability in Drupal Single Content Sync allows Object Injection. This issue affects Single Content Sync versions: from 0.0.0 to 1.4.19.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/single_content_sync | 1.4.19 | DRUPAL-CONTRIB-2026-275 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Single Content Sync | 0.0.0 – before 1.4.19 |
Weakness: CWE-502