EUVD-2026-60591

Grav: Blueprint dynamic-data bare-function branch is denylist-gated and omits errorlog, giving arbitrary file write...

GHSA-2C4F-86XC-CR74 Grav: XSS Blueprint Validation Bypass via Twig String Concatenation

Summary The XSS blueprint validator Security::detectXss runs on the raw page content before Twig processing. An attacker can use Twig's string concatenation operator to dynamically construct an event handler name at render time. The validator sees "on" "error" - a harmless Twig expression - and...

CVE-2026-75827

Grav before 2.0.15 uses an incomplete denylist in Blueprint dynamic-data validation, allowing attackers with page-edit or blueprint-config access to invoke error_log via a data directive and append PHP payloads to web-accessible files, achieving remote code execution. CVSS 4.0 score is 9.3 (CRITI...

CVE-2026-75827 Grav before 2.0.15 Arbitrary File Write via error_log

Grav before 2.0.15 contains an arbitrary file write vulnerability in the Blueprint dynamic-data bare-function validation that uses an incomplete denylist instead of a positive allowlist. Attackers with page-edit or blueprint-config access can invoke the errorlog function through a data directive ...

CVE-2026-75827 Grav before 2.0.15 Arbitrary File Write via error_log

Grav before 2.0.15 contains an arbitrary file write vulnerability in the Blueprint dynamic-data bare-function validation that uses an incomplete denylist instead of a positive allowlist. Attackers with page-edit or blueprint-config access can invoke the errorlog function through a data directive ...

PT-2026-76927

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...

PT-2026-76937

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.14 Description An issue exists where the access field in the core group blueprint is not properly guarded by the security@: admin.super restriction. This allows a delegated admin.users operator to escalate their...

CVE-2026-65608

Grav versions = 1.7.0 and before 2.0.9 contain a remote code execution vulnerability. FlexDirectory::dynamicDataField resolves blueprint data-@: directives by calling calluserfuncarray on attacker-influenced input, validating only that the target is callable iscallable without restricting dangero...

PT-2026-63974

Name of the Vulnerable Software and Affected Versions Grav versions 1.7.0 through 2.0.8 Description Authenticated users with create or update permissions on Flex-based directories, such as Flex Users, Flex Pages, Flex Objects, or custom Flex types, can execute arbitrary shell commands on the...

CVE-2026-41325

Kirby is an open-source content management system. Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for each role in the user blueprint site/blueprints/users/.... It is also possible to customize th...