CVE-2026-85604

Grav before 2.0.19 (versions ≤ 2.0.17) is vulnerable to remote code execution via the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, allowing a plain function name to pass the sandbox—unlike |map, |filter, and |reduce. The denylist miss...

CVE-2026-85604 Grav before 2.0.18 Remote Code Execution via sort filter

Grav before 2.0.18 affected versions = 2.0.17 contains a remote code execution vulnerability in the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, so unlike |map/|filter/|reduce, |sort accepts a plain function name inside the sandbox; t...

CVE-2026-85598 Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

Grav versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages, allowing authenticated page editors to store Twig-assembled XSS payloads. Attackers with page-edit rights can create modular pages with malicious Twig code that executes in visitor browsers when the parent...

EUVD-2026-71021

Grav versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages, allowing authenticated page editors to store Twig-assembled XSS payloads. Attackers with page-edit rights can create modular pages with malicious Twig code that executes in visitor browsers when the parent...

CVE-2026-85598 Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

Grav versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages, allowing authenticated page editors to store Twig-assembled XSS payloads. Attackers with page-edit rights can create modular pages with malicious Twig code that executes in visitor browsers when the parent...

CVE-2026-85598

Grav (a flat-file CMS) versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages . Authenticated users with page-edit rights can store Twig-assembled XSS payloads in modular pages that execute in visitor browsers—including administrator sessions —when the parent page is...

CVE-2026-85598 Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

Grav versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages, allowing authenticated page editors to store Twig-assembled XSS payloads. Attackers with page-edit rights can create modular pages with malicious Twig code that executes in visitor browsers when the parent...

PT-2026-85498

Grav versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages, allowing authenticated page editors to store Twig-assembled XSS payloads. Attackers with page-edit rights can create modular pages with malicious Twig code that executes in visitor browsers when the parent...

CVE-2026-85604: Improper Control of Generation of Code

Grav before 2.0.18 affected versions = 2.0.17 contains a remote code execution vulnerability in the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, so unlike |map/|filter/|reduce, |sort accepts a plain function name inside the sandbox; t...

CVE-2026-46636: Improper Neutralization of Special Elements Used in a Template Engine

Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a...

PT-2026-85504

Grav before 2.0.19 affected versions = 2.0.17 contains a remote code execution vulnerability in the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, so unlike |map/|filter/|reduce, |sort accepts a plain function name inside the sandbox; t...

EUVD-2026-62535

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

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...

Grav: Authenticated ReDoS via regex_replace in Twig Sandbox

Summary The regexreplace filter and function are allowlisted in Grav's Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, authenticated page editors can supply a catastrophically backtracking PCRE pattern, causing unbounded CPU...

GHSA-37F3-6P89-6QR9 Grav: Authenticated ReDoS via regex_replace in Twig Sandbox

Summary The regexreplace filter and function are allowlisted in Grav's Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, authenticated page editors can supply a catastrophically backtracking PCRE pattern, causing unbounded CPU...

CLSA-2026-1788348414 TuxCare security update for twig/twig (1 CVE)

TuxCare rebuilt twig/twig to address 1 CVE. Fixed in v1.44.8-p2+tuxcare...

EUVD-2026-66223

Kimai before 2.53.0 fails to block sensitive User methods in the Twig invoice template sandbox, allowing admins to call getApiToken and getPlainApiToken methods. Attackers with template creation permissions can embed these method calls in invoice templates to leak hashed API tokens in rendered...

EUVD-2026-66220

Kimai versions before 2.56.0 fail to restrict the config Twig function in sandboxed invoice and export templates, allowing administrators to access arbitrary configuration keys. Attackers with admin privileges can upload malicious templates to exfiltrate server-wide secrets including LDAP bind...

CVE-2026-79988

The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE similar to previously disclosed vulnerabilities...