Authorization Bypass Through User-Controlled Key Affecting getgrav/grav package, versions >=2.0.14, <2.0.25


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.3% (21st percentile)

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  • Snyk IDSNYK-PHP-GETGRAVGRAV-20158748
  • published27 Sept 2026
  • disclosed26 Sept 2026
  • creditUnknown

Introduced: 26 Sep 2026

NewCVE-2026-100670  (opens in a new tab)
CWE-639  (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 Authorization Bypass Through User-Controlled Key via the setNestedProperty process. An attacker can gain unauthorized administrative privileges by submitting a flat dot-notation key such as access.admin.super, which bypasses blueprint guard checks and allows privilege escalation.

References

CVSS Base Scores

version 4.0
version 3.1