CVE-2025-31691
Critical
Description
Missing Authorization vulnerability in Drupal OAuth2 Server allows Forceful Browsing.This issue affects OAuth2 Server: from 0.0.0 before 2.1.0.
SeverityCritical
CVSS9.8
Exploit probability—
ProductOauth2 Server
PublishedMar 31, 2025
First seenMar 31, 2025
Weakness typeCWE-862Missing authorization
How to fix
Update
- oauth2_server_project oauth2_server2.1.0 or later
- drupal/oauth2_server2.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| oauth2_server_project oauth2_server | v < 2.1.0 | 2.1.0 |
| drupal/oauth2_serverPackagist:https://packages.drupal.org/8 | v < 2.1.0 | 2.1.0 |
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