Resource exhaustion in Getgrav Grav
CVE-2026-112782
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/getgrav/grav/security/advisories/GHSA-8gr9-59p6-r488 (vendor-advisory)
- www.vulncheck.com/advisories/grav-before-1.7.53.5-and-2.2.2-image-pixel-limit-b… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112782?
- CVE-2026-112782 is a high-severity vulnerability in Getgrav Grav, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-10-19.
- How severe is CVE-2026-112782?
- High severity. CVSS v3 base score is 7.5 out of 10.