Origin Validation Error Affecting getgrav/grav package, versions <2.0.16
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.
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Test your applications- Snyk IDSNYK-PHP-GETGRAVGRAV-19428057
- published29 Aug 2026
- disclosed25 Aug 2026
- creditUnknown
Introduced: 25 Aug 2026
NewCVE-2026-72702 (opens in a new tab)How to fix?
Upgrade getgrav/grav to version 2.0.16 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 Origin Validation Error in the referrer process. An attacker can gain unauthorized access or perform actions as a trusted origin by supplying a crafted Referer header that starts with the legitimate site's origin, allowing the bypass of origin validation checks.