CVE-2026-112780 Grav - Broken Access Control

Grav 2.0.15 < 2.2.2 contains an allowlist bypass vulnerability caused by improper validation of renamed Flex form fields, letting attackers with page-edit permission invoke arbitrary public static methods to delete, overwrite, or read files, exploit requires page-edit permission.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
File System Read, File System Write, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
19 October 2026
Updated
20 October 2026
Weakness
CWE-749

Vendor fix

Update to version 2.2.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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