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CVE-2026-76839

Grav CMS

Popis

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.

CVSS 6.5EPSS 0.272%Riziko 0.67
Zobraziť zdroj
Zverejnené
2026-08-25 02:16:51
Dotknuté verzie
<2.0.16
Typ
Webová aplikácia
Posledná úprava
2026-08-25 16:17:26
Vektor
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N