EUVD-2026-42951

Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip...

CVE-2026-64628 Grav Stored Cross-Site Scripting via Shortcode Attribute Handlers

Grav contains a stored cross-site scripting vulnerability in shortcode-core attribute handlers where the XSS detection scan only matches payloads containing literal angle brackets, allowing shortcode parameters to bypass validation. Attackers with admin.pages permission can inject malicious...

CVE-2026-62232

Grav before 2.0.4 contains a two-factor authentication bypass vulnerability in the login plugin where the regenerate2FASecret task checks only user existence, not authorization, during the pending TOTP challenge window. Attackers who know the victim's password can call this task without a CSRF...

Missing Authorization

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Missing Authorization in the regenerate2FASecret process. An attacker can gain unauthorized access by regenerating the two-factor authenticati...

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...

CVE-2026-59193 Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()

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) ...

EUVD-2026-42944

Grav is a file-based Web platform. Prior to 1.7.53, an authenticated administrator with backup permissions can download a ZIP archive containing the full Grav installation root, including user/accounts/admin.yaml with the administrator password hash and user/config with site configuration, throug...

CVE-2026-55885

Grav is a file-based Web platform. Prior to 1.7.53, an authenticated administrator with backup permissions can download a ZIP archive containing the full Grav installation root, including user/accounts/admin.yaml with the administrator password hash and user/config with site configuration, throug...

PT-2026-57217

Name of the Vulnerable Software and Affected Versions Grav versions prior to 1.7.53 Grav versions prior to 2.0.0-rc.8 Description An unauthenticated visitor can cause server memory and CPU exhaustion by requesting image derivatives with oversized dimensions. This occurs through URL query image...

PT-2026-57241

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0 Description An authenticated user with admin.super privileges can cause a system crash or exhaust disk space by uploading a specially crafted ZIP archive via the Direct Install tool. This occurs because the...

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...