CVE-2025-10929 Reverse Proxy Header - Less critical - Access bypass - SA-CONTRIB-2025-111
Attackers can bypass access controls by manipulating user-controlled variables in the Drupal Reverse Proxy Header module.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-10929?
CVE-2025-10929 is a medium-severity authentication bypass vulnerability in Drupal Reverse Proxy Header, published on 29 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Validation of Consistency within Input vulnerability in Drupal Reverse Proxy Header allows Manipulating User-Controlled Variables.This issue affects Reverse Proxy Header: from 0.0.0 before 1.1.2.
Weakness: CWE-1288
Which versions are affected by CVE-2025-10929?
2 open source packages ship an affected version, including drupal/reverse_proxy_header. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
drupal/reverse_proxy_header Packagist | All versions | 1.1.2 |
drupal/reverse_proxy_header Packagist | All versions | 1.1.2 |
Linux distribution packages (1)
drupal/reverse_proxy_header Packagist:https://packages.drupal.org/8 | All versions | 1.1.2 |
Products include Reverse Proxy Header Project Reverse Proxy Header.
How do I fix CVE-2025-10929?
Upgrade drupal/reverse_proxy_header to 1.1.2 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-10929 being exploited?
There is no known exploitation of CVE-2025-10929 in the wild and no public exploit code.
Sources
Also known as DRUPAL-CONTRIB-2025-111, GHSA-fg8x-q69g-4qp3.