CVE-2026-76846

HIGH 7.5

Grav before 2.0.16 Information Disclosure via Twig Sandbox

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-522
Vendor	getgrav
Product	grav
Published	Aug 25, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

getgrav / grav

0 < 2.0.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/getgrav/grav/security/advisories/GHSA-xjw5-q542-3vmr vulncheck.com: https://www.vulncheck.com/advisories/grav-before-information-disclosure-via-twig-sandbox

Credits

🔍 alham-rizvi