Incorrect Implementation of Authentication Algorithm Affecting getgrav/grav package, versions <2.0.9
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-18600666
- published9 Aug 2026
- disclosed7 Aug 2026
- creditUnknown
Introduced: 7 Aug 2026
NewCVE-2026-11430 (opens in a new tab)How to fix?
Upgrade getgrav/grav to version 2.0.9 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 Incorrect Implementation of Authentication Algorithm via the webhook process. An attacker can trigger scheduled jobs without authentication by sending a crafted request to the relevant endpoint. This is only exploitable if the scheduler-webhook plugin is installed, the webhook feature is enabled, and no webhookToken is configured.