CVE-2026-78851

Grav Authenticated Path Traversal / Arbitrary Directory Disclosure via Twig mediadirectory Reporter Name: CYBER-SEC Contact: [email protected] Summary Grav's Twig function mediadirectory is exposed inside the page-content Twig sandbox allowlist but does not properly enforce path containment...

CVE-2026-100671 Grav before 2.0.25 Session Cookie Theft via Twig Sandbox

Grav is a flat-file CMS. In versions 2.0.19 through 2.0.24 — and in 2.0.0 through 2.0.18 and 1.7.x only where content Twig has been explicitly enabled — page content authored by a user holding only page-write permission is rendered through a Twig sandbox that allowlists getcookie, which returns a...

CVE-2026-100671

The Grav flat-file CMS is vulnerable to session cookie theft in versions 2.0.19 through 2.0.24 (and in 2.0.0 through 2.0.18 and 1.7.x when content Twig is explicitly enabled). The root cause is that the Twig sandbox allowlists get_cookie(), allowing a user with page-write permissions to capture t...

EUVD-2026-87765

Grav is a flat-file CMS. In versions 2.0.19 through 2.0.24 — and in 2.0.0 through 2.0.18 and 1.7.x only where content Twig has been explicitly enabled — page content authored by a user holding only page-write permission is rendered through a Twig sandbox that allowlists getcookie, which returns a...

cve-2026-9558-poc

CVE-2026-9558 — Inyección de Plantillas de Temas de Mautic del Lado del Servidor SSTI para Tomar Control Completo de Administrador Tabla de Contenidos Descripción general Versiones Afectadas Causa Raíz Análisis Estructura del Repositorio Requisitos Uso Salida Esperada Referencias Descargo de...

CVE-2026-22692

CVE-2026-22692: Critical Twig Sandbox Bypass via collect-mapInto allowing RCE/LFI/XXE October CMS Overview...

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...

EUVD-2026-65220

Grav: configdeniedpaths default list omits system, exposing real secrets e.g. system.cache.redis.password via the Twig sandbox when configaccess is enabled...

GHSA-XJW5-Q542-3VMR Grav: config_denied_paths default list omits `system`, exposing real secrets (e.g. system.cache.redis.password) via the Twig sandbox when config_access is enabled

Summary system/config/security.yaml's default twigsandbox.configdeniedpaths list plugins, streams, security, backups, scheduler omits the system prefix. When an operator enables the documented, non-default twigcontent.configaccess: true setting intended to safely expose low-sensitivity values lik...

Grav: config_denied_paths default list omits `system`, exposing real secrets (e.g. system.cache.redis.password) via the Twig sandbox when config_access is enabled

Summary system/config/security.yaml's default twigsandbox.configdeniedpaths list plugins, streams, security, backups, scheduler omits the system prefix. When an operator enables the documented, non-default twigcontent.configaccess: true setting intended to safely expose low-sensitivity values lik...

CVE-2026-92917

Grav is a flat-file CMS. In versions 2.0.0-rc.1 through 2.0.21, the Twig content sandbox fails to restrict the dump and serialize filters printr, vardump, jsonencode, yamlencode, string: GravExtension::assertSandboxDumpSafe determines sandbox state by calling SandboxExtension::isSandboxed without...

CVE-2026-92917 Grav 2.0.0-rc.1 through 2.0.21 Configuration Disclosure via print_r

Grav is a flat-file CMS. In versions 2.0.0-rc.1 through 2.0.21, the Twig content sandbox fails to restrict the dump and serialize filters printr, vardump, jsonencode, yamlencode, string: GravExtension::assertSandboxDumpSafe determines sandbox state by calling SandboxExtension::isSandboxed without...

EUVD-2026-81439

Grav is a flat-file CMS. In versions 2.0.0-rc.1 through 2.0.21, the Twig content sandbox fails to restrict the dump and serialize filters printr, vardump, jsonencode, yamlencode, string: GravExtension::assertSandboxDumpSafe determines sandbox state by calling SandboxExtension::isSandboxed without...

CVE-2026-92917

In Grav (a flat-file CMS) versions 2.0.0-rc.1 through 2.0.21 , the Twig content sandbox fails to restrict dump and serialize filters (print_r, vardump, json_encode, yaml_encode, string). The guard GravExtension::assertSandboxDumpSafe() calls SandboxExtension::isSandboxed() without a Source argume...

CVE-2026-92917 Grav 2.0.0-rc.1 through 2.0.21 Configuration Disclosure via print_r

Grav is a flat-file CMS. In versions 2.0.0-rc.1 through 2.0.21, the Twig content sandbox fails to restrict the dump and serialize filters printr, vardump, jsonencode, yamlencode, string: GravExtension::assertSandboxDumpSafe determines sandbox state by calling SandboxExtension::isSandboxed without...

CVE-2026-92917 Grav 2.0.0-rc.1 through 2.0.21 Configuration Disclosure via print_r

Grav is a flat-file CMS. In versions 2.0.0-rc.1 through 2.0.21, the Twig content sandbox fails to restrict the dump and serialize filters printr, vardump, jsonencode, yamlencode, string: GravExtension::assertSandboxDumpSafe determines sandbox state by calling SandboxExtension::isSandboxed without...

CVE-2026-46696

October System provides the system module for October Content Management System. Versions prior to 3.7.17 and 4.2.21 have a vulnerability in the Twig sandbox security policy that allowed a chained bypass when cms.safemode is enabled. The Laravel session store was exposed to Twig with unrestricted...

CVE-2026-46696

CVE-2026-46696 affects October CMS (system module) versions prior to 3.7.17 and 4.2.21 . A chained bypass in the Twig sandbox security policy occurs when cms.safe_mode is enabled: the Laravel session store was exposed to Twig with unrestricted method access, and raw SQL methods reachable through ...