CVE-2026-59193

Grav is a file-based Web platform. Prior to 2.0.0, an authenticated admin.super user can crash Grav or fill the disk by uploading a specially crafted ZIP archive through the Direct Install tool because Installer::unZip calls ZipArchive::extractTo without limits on uncompressed size, entry count, ...

CVE-2026-53653

Grav is a file-based Web platform. Prior to 1.7.53 and 2.0.0-rc.8, Grav allows an unauthenticated visitor to exhaust server memory and CPU by requesting image derivatives with oversized dimensions through URL query image actions such as forceResize in Grav::fallbackUrl, which passes request...

EUVD-2026-42951

Grav is a file-based Web platform. Prior to 2.0.0, an authenticated admin.super user can crash Grav or fill the disk by uploading a specially crafted ZIP archive through the Direct Install tool because Installer::unZip calls ZipArchive::extractTo without limits on uncompressed size, entry count, ...

EUVD-2026-42946

Grav is a file-based Web platform. Prior to 2.0.0-rc.9, Grav's incomplete fix for stored XSS through the Markdown media attribute action CVE-2026-42841 leaves the sibling MediaObjectTrait::style method reachable through the same Markdown excerpt-action pipeline, allowing an editor to save Markdow...

CVE-2026-55885

CVE-2026-55885 (Grav) : An authenticated admin with backup permissions can download a ZIP of the Grav installation via the backup/download endpoint, exposing sensitive data: admin.yaml with the administrator password hash and site configuration under user/config. The vulnerability stems from (1) ...

CVE-2026-42612

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting XSS vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss function when handling unquoted HTML event attribute...

CVE-2026-42611

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged with the ability to create a page user can cause XSS with the injection of svg element. The XSS can further be escalated to dump the entire system information available under /admin/config/info whenever a Super Admin visit...

CVE-2026-42609

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user with only user creation permissions to overwrite existing accounts, including the primary administrator. By creating a new user with a username that alread...

EUVD-2026-29135

Grav: Twig sandbox allows editor-role users to exfiltrate all plugin secrets via Config::toArray...

CVE-2026-42844

Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full...

CVE-2026-42844 Grav: Low-privileged API users can create super-admin accounts via blueprint-upload

Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full...

CVE-2026-44738

Grav is a file-based Web platform. Prior to 2.0.0-rc.2, the Twig sandbox allow-list permits any user with the admin.pages role to call config.toArray from within a page body, dumping the entire merged site configuration — including all plugin secrets SMTP passwords, AWS keys, OAuth client secrets...

CVE-2026-42610

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged user EX: Content Editor with only pages.update permissions can bypass the existing Twig sandbox restrictions by utilizing the grav'accounts' service. Attacker can programmatically load administrative user objects and extra...

CVE-2026-42609

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user with only user creation permissions to overwrite existing accounts, including the primary administrator. By creating a new user with a username that alread...

CVE-2026-44738 Grav: Twig sandbox allows editor-role users to exfiltrate all plugin secrets via Config::toArray()

Grav is a file-based Web platform. Prior to 2.0.0-rc.2, the Twig sandbox allow-list permits any user with the admin.pages role to call config.toArray from within a page body, dumping the entire merged site configuration — including all plugin secrets SMTP passwords, AWS keys, OAuth client secrets...

CVE-2026-42613 Grav: Privilege Escalation via Missing Server-Side Validation of groups/access

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, the Login::register method in the Login plugin accepts attacker-controlled groups and access fields from the registration POST data without server-side validation. When registration is enabled and groups or access are included in the...

CVE-2026-42613

Grav’s Login plugin vulnerability CVE-2026-42613 arises from missing server-side validation of attacker-controlled groups and access fields in the registration flow. Prior to 2.0.0-beta.2, if registration is enabled and groups or access are allowed in the configured fields, an unauthenticated use...

CVE-2026-42612 Grav: Publisher-Level Stored XSS via Unquoted Event Attributes

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting XSS vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss function when handling unquoted HTML event attribute...

CVE-2026-42612

Grav: Publisher-level stored XSS in getgrav/grav due to a flawed blacklist in detectXss() that mishandles unquoted HTML event attributes. This allows arbitrary JavaScript execution via crafted content prior to 2.0.0-beta.2. The issue is fixed in Grav core on the 2.0 branch; upgrade to 2.0.0-beta....

CVE-2026-42610 Grav: Sensitive Information Disclosure via Accounts Service Bypass

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged user EX: Content Editor with only pages.update permissions can bypass the existing Twig sandbox restrictions by utilizing the grav'accounts' service. Attacker can programmatically load administrative user objects and extra...