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Grav: FlexDirectory::dynamicDataField() executes arbitrary callables from blueprint data with no validation

🗓️ 17 Sep 2026 17:15:33Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 3 Views

Summary A missing validation check in Grav's Flex framework lets an account holding nothing but an ordinary object-create permission on a single Flex directory execute arbitrary shell commands on the server. Any authenticated user with create or u...

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-65608
23 Jul 202611:42
–attackerkb
circl
Circl		CVE-2026-65608
17 Sep 202618:20
–circl
cve
CVE		CVE-2026-65608
23 Jul 202611:42
–cve
cvelist
Cvelist		CVE-2026-65608 Grav before 2.0.9 Remote Code Execution via FlexDirectory
23 Jul 202611:42
–cvelist
euvd
EUVD		EUVD-2026-48244
17 Sep 202617:15
–euvd
github
Github Security Blog		Duplicate Advisory: Grav: FlexDirectory::dynamicDataField() executes arbitrary callables from blueprint data with no validation
23 Jul 202612:32
–github
nvd
NVD		CVE-2026-65608
23 Jul 202612:18
–nvd
osv
OSV		GHSA-C4WF-2XXC-68QM Grav: FlexDirectory::dynamicDataField() executes arbitrary callables from blueprint data with no validation
17 Sep 202617:15
–osv
ptsecurity
Positive Technologies		PT-2026-63974
23 Jul 202600:00
–ptsecurity
snyk
Snyk		Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
23 Jul 202613:45
–snyk
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Vulners
Node
getgravgravRange1.7.0–2.0.9composer

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17 Sep 2026 17:15Current
CVSS 48.7
CVSS 3.18.8
EPSS0.00849
SSVC
CWE-470
3