HIGH 8.7 NVD
CVE-2026-76839
Grav before 2.0.16 allows sandboxed Twig templates to access sensitive User fields through allow-listed offsetGet() and offsetexists() methods that lack field f
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.
References
- https://github.com/getgrav/grav/security/advisories/GHSA-3jhr-mxmx-38cx
- https://www.vulncheck.com/advisories/grav-before-information-disclosure-via-offsetget
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-08-25 via NVD.
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