CVE-2026-118561: Single Content Sync - Critical - External control of file name or path - SA-CONTRIB-2026-274

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-30 · updated 2026-10-30
Weakness: CWE-73

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 products

Drupal Single Content Sync: before 1.4.19 — fixed in 1.4.19

How to fix

Upgrade to a fixed version: Drupal Single Content Sync 1.4.19. Check the vendor advisory for mitigations.

References

https://www.drupal.org/sa-contrib-2026-274

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