CVE-2026-15916 Drupal core - Moderately critical - Information disclosure - SA-CORE-2026-010
Attackers can access unauthorized information due to missing authorization checks in Drupal core, requiring an upgrade to secure the application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-15916?
CVE-2026-15916 is a medium-severity missing authorization vulnerability in Drupal core, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Missing Authorization vulnerability in Drupal Drupal core allows Forceful Browsing. This issue affects Drupal core versions: from 0.0.0 to 10.6.13, from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*, from 0.0.0 to 11.2.*.
Weakness: CWE-862
Which versions are affected by CVE-2026-15916?
1 open source package ship an affected version, including drupal/core.
| Package | Affected | Fixed in |
|---|---|---|
drupal/core Packagist | All versions | 10.6.13, 11.3.14, 11.4.4, 11.1.0, 11.2.0, 11.3.0 |
How do I fix CVE-2026-15916?
Upgrade drupal/core to a fixed version for your release line: 10.6.13, 11.3.14, 11.4.4 or 11.1.0.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-15916 being exploited?
There is no known exploitation of CVE-2026-15916 in the wild and no public exploit code.
Sources
Also known as DRUPAL-CORE-2026-010, GHSA-jw5p-wr38-7rv7.