EUVD-2026-60591

Grav: Blueprint dynamic-data bare-function branch is denylist-gated and omits errorlog, giving arbitrary file write...

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...

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-2026-85599

Grav Shortcode Core before 6.2.5 contains stored cross-site scripting vulnerabilities in the lorem tag parameter and details summary parameter that are written to rendered pages without escaping. Attackers with page-edit access can inject arbitrary HTML and JavaScript that executes in the browser...

CVE-2026-85599 Grav Shortcode Core before 6.2.5 Stored XSS via unescaped parameters

Grav Shortcode Core before 6.2.5 contains stored cross-site scripting vulnerabilities in the lorem tag parameter and details summary parameter that are written to rendered pages without escaping. Attackers with page-edit access can inject arbitrary HTML and JavaScript that executes in the browser...

EUVD-2026-71022

Grav Shortcode Core before 6.2.5 contains stored cross-site scripting vulnerabilities in the lorem tag parameter and details summary parameter that are written to rendered pages without escaping. Attackers with page-edit access can inject arbitrary HTML and JavaScript that executes in the browser...

CVE-2026-85599 Grav Shortcode Core before 6.2.5 Stored XSS via unescaped parameters

Grav Shortcode Core before 6.2.5 contains stored cross-site scripting vulnerabilities in the lorem tag parameter and details summary parameter that are written to rendered pages without escaping. Attackers with page-edit access can inject arbitrary HTML and JavaScript that executes in the browser...

CVE-2026-85599

Grav Shortcode Core before version 6.2.5 is vulnerable to stored XSS in two shortcode parameters: the [lorem] tag parameter and the [details] summary parameter. These values are written to rendered pages without escaping, allowing an attacker with page-edit access to inject arbitrary HTML and Jav...

PT-2026-85499

Grav Shortcode Core before 6.2.5 contains stored cross-site scripting vulnerabilities in the lorem tag parameter and details summary parameter that are written to rendered pages without escaping. Attackers with page-edit access can inject arbitrary HTML and JavaScript that executes in the browser...

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 Twig sandbox configuration, which contains an incomplete default denylist. An attacker can access...

Duplicate Advisory: 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

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-xjw5-q542-3vmr. This link is maintained to preserve external references. Original Description Grav before 2.0.16 contains an incomplete default denylist in the Twig sandbox configuration that fails to block acce...

CVE-2026-76846

Grav before 2.0.16 contains an incomplete default denylist in the Twig sandbox configuration that fails to block access to system configuration secrets. Attackers with page-edit permission can use config.get or config.toArray in Twig templates to retrieve sensitive values like...

CVE-2026-76846

Grav before 2.0.16 contains an incomplete default denylist in its Twig sandbox configuration. Attackers with page-edit permission can leverage config.get() or config.toArray() within Twig templates to exfiltrate sensitive system configuration secrets (e.g., system.cache.redis.password) when confi...

CVE-2026-76846 Grav before 2.0.16 Information Disclosure via Twig Sandbox

Grav before 2.0.16 contains an incomplete default denylist in the Twig sandbox configuration that fails to block access to system configuration secrets. Attackers with page-edit permission can use config.get or config.toArray in Twig templates to retrieve sensitive values like...

EUVD-2026-65205

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

PT-2026-81149

Grav before 2.0.16 contains an incomplete default denylist in the Twig sandbox configuration that fails to block access to system configuration secrets. Attackers with page-edit permission can use config.get or config.toArray in Twig templates to retrieve sensitive values like...

Duplicate Advisory: Grav: Single invalid UTF-8 byte disables every rule in Security::detectXss(), bypassing the page-content XSS safety gate

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q2j8-x8hf-63ch. This link is maintained to preserve external references. Original Description Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function...

CVE-2026-75827

Grav before 2.0.15 contains an arbitrary file write vulnerability in the Blueprint dynamic-data bare-function validation that uses an incomplete denylist instead of a positive allowlist. Attackers with page-edit or blueprint-config access can invoke the errorlog function through a data directive ...

CVE-2026-75827 Grav before 2.0.15 Arbitrary File Write via error_log

Grav before 2.0.15 contains an arbitrary file write vulnerability in the Blueprint dynamic-data bare-function validation that uses an incomplete denylist instead of a positive allowlist. Attackers with page-edit or blueprint-config access can invoke the errorlog function through a data directive ...

PT-2026-76934

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes preg match to return false for...