Grav API Privilege Escalation to Super Admin

Summary An insecure direct object reference and logic flaw in the Grav API plugin UsersController::update allows any authenticated user with basic API access api.access to modify their own permission configuration. An attacker can exploit this to escalate their privileges to Super Administrator...

GHSA-R945-H4VM-H736 Grav API Privilege Escalation to Super Admin

Summary An insecure direct object reference and logic flaw in the Grav API plugin UsersController::update allows any authenticated user with basic API access api.access to modify their own permission configuration. An attacker can exploit this to escalate their privileges to Super Administrator...

CVE-2026-44737

creationtimestamp| type| source ---|---|--- 2026-05-05 10:55:40+00:00| published-proof-of-concept| https://github.com/getgrav/grav/security/advisories/GHSA-fmg2-f5r9-24qc...

PT-2026-37282

Name of the Vulnerable Software and Affected Versions Grav API Plugin versions prior to 1.0.0-beta.15 Description An insecure direct object reference and logic flaw in the update function of the UsersController allows any authenticated user with basic api.access permissions to modify their own...

PT-2026-37274

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0-beta.2 Description A path traversal issue exists within the FormFlash core component. An unauthenticated attacker can manipulate the session id passed via the form-flash-id parameter in POST requests to traverse th...

PT-2026-37276

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0-beta.2 Description A low-privileged user, such as a Content Editor with pages.update permissions, can bypass Twig sandbox restrictions by utilizing the grav'accounts' service. This allows an attacker to...

PT-2026-37273

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0-beta.2 Description An authenticated user with administrative privileges can achieve Remote Code Execution RCE by uploading a specially crafted ZIP file through the "Direct Install" tool. The system fails to inspect...

PT-2026-37278

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0-beta.2 Description A stored Cross-Site Scripting XSS issue allows publisher-level accounts to execute arbitrary JavaScript. The problem is caused by a blacklist bypass in the detectXss function, which fails to...

PT-2026-37281

Name of the Vulnerable Software and Affected Versions Grav CMS Form plugin versions prior to 9.1.0 Description A Stored Cross-Site Scripting XSS issue exists in the select field template of the Grav CMS Form plugin. Taxonomy tag and category values are rendered using the Twig |raw filter in the...

PT-2026-37280

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0-beta.2 Description An authenticated user with page editing permissions can perform stored Cross-Site Scripting XSS by injecting an executable JavaScript event-handler attribute into rendered image HTML. This occurs...

PT-2026-37279

Name of the Vulnerable Software and Affected Versions Grav version 1.8.0-beta.29 Login Plugin versions prior to 3.8.2 Description A missing server-side validation issue exists in the Login::register function of the Login plugin. When user registration is enabled and the groups or access fields ar...

PT-2026-37275

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0-beta.2 Description A business logic issue in the Grav Admin Panel allows a low-privileged user with user creation permissions to overwrite existing accounts, including the primary administrator. By creating a new...

grav-exploit

GravCMS 1.10.7 - Unauthenticated Remote Code Execution RCE...

CVE-2026-42845

creationtimestamp| type| source ---|---|--- 2026-04-29 17:56:54+00:00| published-proof-of-concept| https://github.com/getgrav/grav/security/advisories/GHSA-w4rc-p66m-x6qq...

GHSA-J7RW-325J-2RMX Duplicate Advisory: Grav has Insecure Deserialization in File Cache

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-gwfr-jfjf-92vv. This link is maintained to preserve external references. Original Description A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function...

Duplicate Advisory: Grav has Insecure Deserialization in File Cache

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-gwfr-jfjf-92vv. This link is maintained to preserve external references. Original Description A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function...

CVE-2026-7317

A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function FileCache::doGet of the file system/src/Grav/Framework/Cache/Adapter/FileCache.php of the component Cache Value Handler. The manipulation results in deserialization. The attack may be...

CVE-2026-7317

A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function FileCache::doGet of the file system/src/Grav/Framework/Cache/Adapter/FileCache.php of the component Cache Value Handler. The manipulation results in deserialization. The attack may be...

CVE-2026-7317 Grav CMS Cache Value FileCache.php doGet deserialization

A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function FileCache::doGet of the file system/src/Grav/Framework/Cache/Adapter/FileCache.php of the component Cache Value Handler. The manipulation results in deserialization. The attack may be...

CVE-2026-7317 Grav CMS Cache Value FileCache.php doGet deserialization

A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function FileCache::doGet of the file system/src/Grav/Framework/Cache/Adapter/FileCache.php of the component Cache Value Handler. The manipulation results in deserialization. The attack may be...