Vulnerability · Published Oct 30, 2026 · Assigned by drupal
CVE-2026-118561Single Content Sync - Critical - External control of file name or path - SA-CONTRIB-2026-274
Unrated
In plain English
A security flaw 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 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS )–Not rated
Exploit odds (30 days)0.1%top 96.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
External Control of File Name or Path vulnerability in Drupal Single Content Sync allows Path Traversal. 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-2026-274 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Single Content Sync | 0.0.0 – before 1.4.19 |
Weakness: CWE-73