CVE-2026-72697: Improper Limitation of a Pathname to a Restricted Directory

Grav CMS before 2.0.16 contains a path traversal vulnerability in the mediadirectory Twig function that fails to validate filesystem paths, allowing authenticated users to enumerate and access files outside intended scope. Attackers with page authoring privileges can supply arbitrary filesystem...

CVE-2026-76839: Insufficiently Protected Credentials

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...

Astra Linux – Vulnerability in Twig

Twig is a template language for PHP. Versions 1.x prior to 1.44.7, 2.x prior to 2.15.3, and 3.x prior to 3.4.3 encounter an issue when the filesystem loader loads templates whose names are user-inputs. It’s possible to use the source or include statement to read arbitrary files from outside the...

GHSA-8HGV-XC77-JMCR Grav: Page editors can inject arbitrary script into rendered pages via the Twig sandbox's assets.addJs/addCss allowlist, escalating to super-admin

Summary Grav 2.0 renders editor-authored Twig in page content by default and relies on the Twig content sandbox to contain it. The shipped sandbox policy allowlists addcss and addjs on Grav\Common\Assets system/src/Grav/Common/Twig/Sandbox/SandboxDefaults.php:307. Because the sandbox arbitrates t...

GHSA-8CFW-PCWH-V63W Winter: Authenticated Twig sandbox escape in CMS SecurityPolicy (bypass of CVE-2024-54149)

Impact Affected versions of Winter CMS allow authenticated backend users with CMS template-editing permissions to escape the Twig sandbox "safe mode" that is meant to restrict what template code can do. Using any of the following permissions, an attacker can read and modify arbitrary database...

Winter: Authenticated Twig sandbox escape in CMS SecurityPolicy (bypass of CVE-2024-54149)

Impact Affected versions of Winter CMS allow authenticated backend users with CMS template-editing permissions to escape the Twig sandbox "safe mode" that is meant to restrict what template code can do. Using any of the following permissions, an attacker can read and modify arbitrary database...

Regular Expression Denial of Service (ReDoS)

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS in the regexReplace process. An attacker can exhaust server resources and cause denial of service b...

CVE-2026-62672

Grav is a file-based Web platform. Prior to 2.0.4, Grav allowlists the regexreplace filter and function in system/config/security.yaml, and GravExtension::regexReplace passes an editor-controlled pattern directly to pregreplace. When security.twigcontent.processenabled is enabled, an authenticate...

CVE-2026-61842

Grav is a file-based Web platform. Prior to 2.0.2, the Grav Twig content sandbox permits grav.offsetGet'config' to return the raw configuration object and permits jsonencode, printr, yamlencode, and string filters to serialize that object without passing through...

CVE-2026-62672 Grav: Authenticated ReDoS via regex_replace in Twig Sandbox

Grav is a file-based Web platform. Prior to 2.0.4, Grav allowlists the regexreplace filter and function in system/config/security.yaml, and GravExtension::regexReplace passes an editor-controlled pattern directly to pregreplace. When security.twigcontent.processenabled is enabled, an authenticate...

CVE-2026-62672

Grav (file-based web platform) prior to 2.0.4 is vulnerable to an authenticated ReDoS via the regex_replace filter and function in the Twig content sandbox. The root cause is that GravExtension::regexReplace() passes an editor-controlled pattern directly to PHP's preg_replace() without sanitizati...

CVE-2026-62672 Grav: Authenticated ReDoS via regex_replace in Twig Sandbox

Grav is a file-based Web platform. Prior to 2.0.4, Grav allowlists the regexreplace filter and function in system/config/security.yaml, and GravExtension::regexReplace passes an editor-controlled pattern directly to pregreplace. When security.twigcontent.processenabled is enabled, an authenticate...

CVE-2026-62672 Grav: Authenticated ReDoS via regex_replace in Twig Sandbox

Grav is a file-based Web platform. Prior to 2.0.4, Grav allowlists the regexreplace filter and function in system/config/security.yaml, and GravExtension::regexReplace passes an editor-controlled pattern directly to pregreplace. When security.twigcontent.processenabled is enabled, an authenticate...

CVE-2026-61842

Grav (file-based web platform) versions prior to 2.0.2 contain a Twig sandbox bypass in the content rendering pipeline. The sandbox replaces the config variable with a redacted facade and strips Config::get/toArray from the method allowlist, but the raw configuration container remains accessible ...

CVE-2026-61842 Grav: Twig sandbox config exfiltration via grav.offsetGet + dump filter (CVE-2026-44738 bypass)

Grav is a file-based Web platform. Prior to 2.0.2, the Grav Twig content sandbox permits grav.offsetGet'config' to return the raw configuration object and permits jsonencode, printr, yamlencode, and string filters to serialize that object without passing through...

CVE-2026-61842 Grav: Twig sandbox config exfiltration via grav.offsetGet + dump filter (CVE-2026-44738 bypass)

Grav is a file-based Web platform. Prior to 2.0.2, the Grav Twig content sandbox permits grav.offsetGet'config' to return the raw configuration object and permits jsonencode, printr, yamlencode, and string filters to serialize that object without passing through...

CVE-2026-52889

Formie is a Craft CMS plugin for creating forms. Prior to 3.1.27, Formie can pass request-derived Hidden field defaults such as HTTP User Agent, Referer URL, Current URL, Current URL without Query String, Query Parameter, and Cookie Value to Craft's Twig rendering layer during front-end form...

CVE-2026-52889

Formie (a Craft CMS plugin) versions 3.0.0-beta.1 through 3.1.26 are vulnerable to Server-Side Template Injection (SSTI) . The root cause is in Hidden::getFrontEndInputOptions(), which assigns request-derived Hidden field defaults (HTTP User Agent, Referer URL, Current URL, Query Parameter, Cooki...

CVE-2026-52889 Formie: Server-Side Template Injection in Formie Hidden field defaults

Formie is a Craft CMS plugin for creating forms. Prior to 3.1.27, Formie can pass request-derived Hidden field defaults such as HTTP User Agent, Referer URL, Current URL, Current URL without Query String, Query Parameter, and Cookie Value to Craft's Twig rendering layer during front-end form...

EUVD-2026-62518

Formie is a Craft CMS plugin for creating forms. Prior to 3.1.27, Formie can pass request-derived Hidden field defaults such as HTTP User Agent, Referer URL, Current URL, Current URL without Query String, Query Parameter, and Cookie Value to Craft's Twig rendering layer during front-end form...