CVE-2026-112782

High

Description

Grav 1.7.53 before 1.7.53.5 and 2.0.0-rc.8 before 2.2.2 contains a resource exhaustion vulnerability that allows anonymous visitors to bypass the system.images.max_pixels limit when system.images.url_actions is enabled. Attackers can send single-dimension or percentage forceResize, zoomCrop, or chained image actions to make GD allocate multi-gigabyte canvases, exhausting server memory and taking the site down.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Grav

PublishedOct 19, 2026

First seenOct 19, 2026

Weakness typeCWE-400Uncontrolled resource consumption

How to fix

Update

getgrav grav2.2.2, 1.7.53.5 or later

Vendor advisories

github.com/getgrav/grav/security/advisories/GHSA-8gr9-59p6-r488

Affected products

Product	Affected versions	Fixed in
getgrav grav	2.0.0-rc.8 ≤ v < 2.2.2, 1.7.53 ≤ v < 1.7.53.5	2.2.2, 1.7.53.5

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