PT-2026-76927
CVE-2026-75827
·
Published
2026-08-18
·
Updated
2026-10-22
Description by
CVSS 4.0
9.3
CriticalMetricsAV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions
Grav versions prior to 2.0.15
Description
An arbitrary file write issue exists in the Blueprint dynamic-data bare-function validation due to the use of an incomplete denylist instead of a positive allowlist. Users with page-edit or blueprint-config access can trigger the
error log() function via a data directive to append PHP payloads to web-accessible files, which can lead to remote code execution.Recommendations
Update Grav to version 2.0.15 or later.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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