Vulnerability in Getgrav Grav
CVE-2026-76846
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.
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/getgrav/grav/security/advisories/GHSA-xjw5-q542-3vmr (vendor-advisory)
- www.vulncheck.com/advisories/grav-before-information-disclosure-via-twig-sandbox (third-party-advisory)
Frequently asked questions
- What is CVE-2026-76846?
- CVE-2026-76846 is a high-severity vulnerability in Getgrav Grav, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2026-08-25.
- How severe is CVE-2026-76846?
- High severity. CVSS v3 base score is 7.5 out of 10.