Information Exposure Affecting getgrav/grav package, versions <2.0.25
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-PHP-GETGRAVGRAV-20158742
- published27 Sept 2026
- disclosed26 Sept 2026
- creditUnknown
Introduced: 26 Sep 2026
NewCVE-2026-100671 (opens in a new tab)How to fix?
Upgrade getgrav/grav to version 2.0.25 or higher.
Overview
getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS.
Affected versions of this package are vulnerable to Information Exposure in the get_cookie function within the Twig sandbox. An attacker can obtain session identifiers belonging to privileged users by publishing crafted page content and waiting for an administrator to view it, after which the cached output containing the session cookie is served to unauthenticated visitors, allowing them to replay the cookie and gain unauthorized access.