High severity · published Aug 25, 2026
CVE-2026-76846
Grav before 2.0.16 Information Disclosure via Twig Sandbox
7.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
grav · getgrav
before 2.0.16 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76846
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76846
vendor-advisory
https://github.com/getgrav/grav/security/advisories/GHSA-xjw5-q542-3vmr
third-party-advisory
https://www.vulncheck.com/advisories/grav-before-information-disclosure-via-twig-sandbox
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