Exposure Of Sensitive Information

Grav is vulnerable to Exposure of Sensitive Information The vulnerability is due to insufficient field filtering in the allow-listed offsetGet and offsetExists methods for User objects, which allows an attacker with page-edit permissions to access sensitive fields such as password hashes and 2FA...

EUVD-2026-65219

Grav: UserInterface offsetget/offsetexists allow-listed in Twig sandbox let editor-authored content leak hashedpassword and 2FA secrets via offsetGet...

GHSA-3JHR-MXMX-38CX Grav: UserInterface offsetget/offsetexists allow-listed in Twig sandbox let editor-authored content leak hashed_password and 2FA secrets via offsetGet()

Summary system/config/security.yaml's Twig sandbox policy allow-lists offsetget and offsetexists for Grav\Common\User\Interfaces\UserInterface. The concrete Grav\Common\User\DataUser\User class does not filter which fields offsetGet returns, so any sandboxed template with access to a User object...

Grav: UserInterface offsetget/offsetexists allow-listed in Twig sandbox let editor-authored content leak hashed_password and 2FA secrets via offsetGet()

Summary system/config/security.yaml's Twig sandbox policy allow-lists offsetget and offsetexists for Grav\Common\User\Interfaces\UserInterface. The concrete Grav\Common\User\DataUser\User class does not filter which fields offsetGet returns, so any sandboxed template with access to a User object...

Grav: Twig sandbox config exfiltration via grav.offsetGet + dump filter (CVE-2026-44738 bypass)

Summary The Twig content sandbox replaces config with the redacted SandboxConfig facade and strips Config::get/toArray from the method allowlist GHSA-j274-39qw-32c9, so editor content can't read config secrets via config. That's bypassable: grav is the raw container, offsetget is allow-listed on...

GHSA-MC5Q-6HPJ-RP7J Grav: Twig sandbox config exfiltration via grav.offsetGet + dump filter (CVE-2026-44738 bypass)

Summary The Twig content sandbox replaces config with the redacted SandboxConfig facade and strips Config::get/toArray from the method allowlist GHSA-j274-39qw-32c9, so editor content can't read config secrets via config. That's bypassable: grav is the raw container, offsetget is allow-listed on...

Insufficiently Protected Credentials

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Insufficiently Protected Credentials via the offsetGet process. An attacker can retrieve sensitive user information, such as hashed passwords...

Duplicate Advisory: Grav: UserInterface offsetget/offsetexists allow-listed in Twig sandbox let editor-authored content leak hashed_password and 2FA secrets via offsetGet()

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3jhr-mxmx-38cx. This link is maintained to preserve external references. Original Description Grav before 2.0.16 allows sandboxed Twig templates to access sensitive User fields through allow-listed offsetGet and...

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 filtering. Attackers with page-edit permissions can call offsetGet on User objects to extract hashed passwords and 2FA secrets, enabling offli...

CVE-2026-76839 Grav before 2.0.16 Information Disclosure via offsetGet

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 offli...

CVE-2026-76839 Grav before 2.0.16 Information Disclosure via offsetGet

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 offli...

CVE-2026-76839 Grav before 2.0.16 Information Disclosure via offsetGet

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 offli...

CVE-2026-76839

Grav before 2.0.16 is affected by an information disclosure vulnerability in its sandboxed Twig templates. The allow-listed offsetGet() and offsetexists() methods lack field filtering on User objects , permitting attackers with page-edit permissions to extract hashed passwords and 2FA secrets , e...

PT-2026-81148

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.16 Description Sandboxed Twig templates can access sensitive User fields because the allow-listed offsetGet and offsetexists methods lack proper field filtering. Users with page-edit permissions can utilize the...

Arbitrary Code Injection

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Arbitrary Code Injection via the offsetGet filter. An attacker can access sensitive configuration data, including secrets such as SMTP...

CVE-2026-61450

Grav prior to 2.0.2 contains a Twig sandbox bypass that enables a page author (including any admin.pages user or anyone with write access to user/pages) to exfiltrate configuration secrets. The sandbox replaces the config variable with a redacted facade and strips Config::get/toArray from the all...

CVE-2026-61450 Grav before 2.0.2 Config Exfiltration via offsetGet Filter

Grav before 2.0.2 contains a Twig sandbox bypass that allows a page author any admin.pages user, or anyone able to write to user/pages to exfiltrate configuration secrets. Although the sandbox replaces the 'config' variable with a redacted facade and strips Config::get/toArray from the method...

CVE-2026-61450 Grav before 2.0.2 Config Exfiltration via offsetGet Filter

Grav before 2.0.2 contains a Twig sandbox bypass that allows a page author any admin.pages user, or anyone able to write to user/pages to exfiltrate configuration secrets. Although the sandbox replaces the 'config' variable with a redacted facade and strips Config::get/toArray from the method...