CVE-2026-112780 Grav 2.0.15 before 2.2.2 Arbitrary Static Method Call via Flex Form replace-name@
Page editors can bypass allowlists to invoke arbitrary static methods, enabling file deletion, overwriting, or reading.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-112780?
CVE-2026-112780 is a critical code injection vulnerability in getgrav grav, published on 19 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Grav from 2.0.15 before 2.2.2 contains an allowlist bypass vulnerability that allows page editors to call arbitrary public static methods by renaming Flex form fields with replace-name@. Attackers with page-edit permission can smuggle data-*@ directives past the callable check to invoke Folder::delete, Folder::move, or Utils::download, deleting directories, overwriting files, or reading files.
Weakness: CWE-749
Which versions are affected by CVE-2026-112780?
How do I fix CVE-2026-112780?
No fix has been published for CVE-2026-112780 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-112780 being exploited?
There is no known exploitation of CVE-2026-112780 in the wild and no public exploit code.
Sources
Also known as GHSA-9rq7-4cch-f22j, GHSA-qq7h-r236-6vc5.