CVE-2026-73474 Entity Share Websub - Moderately critical - Server-side request forgery (SSRF) - SA-CONTRIB-2026-097
Attackers can exploit a Server-Side Request Forgery flaw in the Drupal Entity Share Websub module to access internal resources or bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-73474?
CVE-2026-73474 is a medium-severity server-side request forgery vulnerability in Drupal Entity Share Websub, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Server-Side Request Forgery (SSRF) vulnerability in Drupal Entity Share Websub allows Server Side Request Forgery. This issue affects Entity Share Websub versions: from 0.0.0 to 1.1.2.
Weakness: CWE-918
Which versions are affected by CVE-2026-73474?
It affects 1 product.
Linux distribution packages (1)
drupal/entity_share_websub Packagist:https://packages.drupal.org/8 | All versions | 1.1.2 |
Products include Entity Share Websub Project Entity Share Websub.
How do I fix CVE-2026-73474?
Upgrade to a fixed version.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-73474 being exploited?
There is no known exploitation of CVE-2026-73474 in the wild and no public exploit code.
Sources
Also known as DRUPAL-CONTRIB-2026-097, GHSA-qgvw-q84r-4fxw.