{"id":"CVE-2026-76846","title":"Grav before 2.0.16 contains an incomplete default denylist in the Twig sandbox configuration that fails to block access to system configuration secrets","summary":"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…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-522"],"vendor":"getgrav","product":"grav","affected":["grav < 2.0.16"],"patched":["getgrav/grav 2.0.16"],"published":"2026-08-25","updated":"2026-10-12","sourceUpdated":"2026-10-12T15:10:00.207","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-76846","references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-xjw5-q542-3vmr","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/grav-before-information-disclosure-via-twig-sandbox","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-xjw5-q542-3vmr","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76846"},{"url":"https://github.com/advisories/GHSA-xjw5-q542-3vmr"}],"tags":["nvd","cve.org","exploit-available","ghsa","composer"],"epss":0.00305,"epssPercentile":0.23127,"aliases":["GHSA-xjw5-q542-3vmr"],"ecosystem":"composer","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-08-27T14:55:11.428296Z"},"ingestedAt":"2026-09-17T20:28:02.777Z","slug":"CVE-2026-76846","body":"## Overview\n\nGrav 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-76846)\n\nAffected packages:\n\n- `getgrav/grav <= 2.0.15`\n\nPatched in:\n\n- `getgrav/grav 2.0.16`\n\nSource: https://github.com/advisories/GHSA-xjw5-q542-3vmr","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":218167,"id":"CVE-2026-76846","ts":1791478457882,"field":"exploit_available","old":"false","new":"true"}]}