CVE-2026-100668

Grav 2.0.0 through 2.0.24 contain a Twig content sandbox escape. The array filter and its identical function form is on the sandbox allowlist but is registered without the needsissandboxed guard that printr, vardump, jsonencode, yamlencode and string carry, and its implementation calls toArray — ...

CVE-2026-100668 Grav before 2.0.25 Sandbox Escape via array Filter

Grav 2.0.0 through 2.0.24 contain a Twig content sandbox escape. The array filter and its identical function form is on the sandbox allowlist but is registered without the needsissandboxed guard that printr, vardump, jsonencode, yamlencode and string carry, and its implementation calls toArray — ...

CVE-2026-100668 Grav before 2.0.25 Sandbox Escape via array Filter

Grav 2.0.0 through 2.0.24 contain a Twig content sandbox escape. The array filter and its identical function form is on the sandbox allowlist but is registered without the needsissandboxed guard that printr, vardump, jsonencode, yamlencode and string carry, and its implementation calls toArray — ...

CVE-2026-100668

Grav versions 2.0.0 through 2.0.24 are vulnerable to a Twig content sandbox escape due to the array filter being registered without the necessary needs_is_sandboxed guard. This allows an attacker capable of authoring Twig content to evaluate grav|array to access the raw Pimple-based dependency in...

CVE-2026-100668 Grav before 2.0.25 Sandbox Escape via array Filter

Grav 2.0.0 through 2.0.24 contain a Twig content sandbox escape. The array filter and its identical function form is on the sandbox allowlist but is registered without the needsissandboxed guard that printr, vardump, jsonencode, yamlencode and string carry, and its implementation calls toArray — ...

CVE-2026-100668: Exposure of Sensitive Information to an Unauthorized Actor

Grav 2.0.0 through 2.0.24 contain a Twig content sandbox escape. The array filter and its identical function form is on the sandbox allowlist but is registered without the needsissandboxed guard that printr, vardump, jsonencode, yamlencode and string carry, and its implementation calls toArray — ...

PT-2026-94240

Name of the Vulnerable Software and Affected Versions Grav versions 2.0.0-rc.1 through 2.0.21 Description The Twig content sandbox fails to restrict dump and serialize filters, specifically print r, vardump, json encode, yaml encode, and string. This occurs because the...

CVE-2026-92917: Exposure of Sensitive Information to an Unauthorized Actor

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...

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-2026-61842: Exposure of Sensitive Information to an Unauthorized Actor

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-2026-72824

The Grav API plugin getgrav/grav-plugin-api before 1.0.13 contains an API key scope-cap bypass in PagesController::guardTwigContent. The Twig-toggle check uses a bare isSuperAdmin gate that does not consult apikeyscopes, so a least-privilege API key scoped only to api.pages.write and minted on a...

EUVD-2026-58638

The Grav API plugin getgrav/grav-plugin-api before 1.0.13 contains an API key scope-cap bypass in PagesController::guardTwigContent. The Twig-toggle check uses a bare isSuperAdmin gate that does not consult apikeyscopes, so a least-privilege API key scoped only to api.pages.write and minted on a...

CVE-2026-62237 Grav < 2.0.4 ReDoS via regex_replace in Sandbox

Grav before 2.0.4 contains a regular expression denial of service ReDoS vulnerability in the regexreplace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, disabled by default, an...

CVE-2026-62237

CVE-2026-62237 affects Grav before 2.0.4. The vulnerability is a ReDoS in the regex_replace filter and function that are allowlisted in the Twig content sandbox. When Twig processing of page content is enabled (security.twig_content.process_enabled: true), an authenticated page editor can supply ...

CVE-2026-61453

Grav v2.0.0 contains a cross-site scripting vulnerability fixed in 2.0.1. The XSS blueprint validator Security::detectXss runs on raw page content before Twig processing. When Twig content processing is enabled twigcontent.processenabled: true, an attacker with page-write API permission can use...

CVE-2026-61453 Grav before 2.0.1 XSS via Twig String Concatenation

Grav v2.0.0 contains a cross-site scripting vulnerability fixed in 2.0.1. The XSS blueprint validator Security::detectXss runs on raw page content before Twig processing. When Twig content processing is enabled twigcontent.processenabled: true, an attacker with page-write API permission can use...

CVE-2026-61453

Grav v2.0.0 contains a cross-site scripting vulnerability in the Twig content path. The XSS blueprint validator (Security::detectXss()) runs on raw page content before Twig processing; when twig_content.process_enabled is true, an attacker with page-write API permission can use Twig string concat...

CVE-2026-61453 Grav before 2.0.1 XSS via Twig String Concatenation

Grav v2.0.0 contains a cross-site scripting vulnerability fixed in 2.0.1. The XSS blueprint validator Security::detectXss runs on raw page content before Twig processing. When Twig content processing is enabled twigcontent.processenabled: true, an attacker with page-write API permission can use...

CVE-2026-61453 Grav before 2.0.1 XSS via Twig String Concatenation

Grav v2.0.0 contains a cross-site scripting vulnerability fixed in 2.0.1. The XSS blueprint validator Security::detectXss runs on raw page content before Twig processing. When Twig content processing is enabled twigcontent.processenabled: true, an attacker with page-write API permission can use...

PT-2026-60147

Name of the Vulnerable Software and Affected Versions Grav version 2.0.0 Description An issue exists where the XSS blueprint validator Security::detectXss processes raw page content before Twig processing occurs. If Twig content processing is enabled via twig content.process enabled: true, a user...