Vulnerability · Published Oct 19, 2026 · Assigned by VulnCheck
CVE-2026-112782Grav before 1.7.53.5 and 2.2.2 Image Pixel Limit Bypass Denial of Service
High 7.5
In plain English
A high-severity uncontrolled resource consumption in grav from getgrav. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- GitHub Security Advisory (GHSA-8gr9-59p6-r488) vendor-advisory
- VulnCheck Advisory: Grav before 1.7.53.5 and 2.2.2 Image Pixel Limit Bypass Denial of Service third-party-advisory