{"apiVersion":"1.0","identifier":"CVE-2026-76839","description":"Grav before 2.0.16 allows sandboxed Twig templates to access sensitive User fields through allow-listed offsetGet() and offsetexists() methods that lack field filtering. Attackers with page-edit permissions can call offsetGet() on User objects to extract hashed passwords and 2FA secrets, enabling offline password cracking and authentication bypass.","publishedAt":"2026-08-25T02:16:51","lastModifiedAt":"2026-08-25T16:17:26","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-76839","cvssScore":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","epssProbability":0.00272,"riskScore":0.67,"affectedProduct":"Grav CMS","affectedVersions":"<2.0.16","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-76839","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-76839","en":"https://www.redsauce.net/en/cves/CVE-2026-76839","fr":"https://www.redsauce.net/fr/cves/CVE-2026-76839","pt":"https://www.redsauce.net/pt/cves/CVE-2026-76839","de":"https://www.redsauce.net/de/cves/CVE-2026-76839","sk":"https://www.redsauce.net/sk/cves/CVE-2026-76839","el":"https://www.redsauce.net/el/cves/CVE-2026-76839"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-76839"}}