CVE-2026-112782

Grav before 1.7.53.5 and 2.2.2 Image Pixel Limit Bypass Denial of Service

State: Published
Severity: 8.7 High
Published: Oct 19, 2026
Updated: Oct 20, 2026
Reserved: Oct 19, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	VulnCheck

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
gravgetgrav	2.0.0-rc.8 to before 2.2.2Affected 2.2.2Not affected
gravgetgrav	1.7.53 to before 1.7.53.5Affected 1.7.53.5Not affected

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 Servicethird-party-advisory

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