CVE-2026-76846

High

Description

Grav before 2.0.16 contains an incomplete default denylist in the Twig sandbox configuration that fails to block access to system configuration secrets. Attackers with page-edit permission can use config.get() or config.toArray() in Twig templates to retrieve sensitive values like system.cache.redis.password when config_access is enabled.

SeverityHigh

CVSS7.5

Exploit probability—

ProductGetgrav/grav

PublishedAug 25, 2026

First seenAug 25, 2026

Weakness typeCWE-522CWE-522

How to fix

Update

getgrav/grav2.0.16 or later

Vendor advisories

github.com/getgrav/grav/security/advisories/GHSA-xjw5-q542-3vmr

Affected products

Product	Affected versions	Fixed in
getgrav/gravPackagist	v < 2.0.16	2.0.16

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