CVE-2026-62237

CVE-2026-62237 affects Grav before 2.0.4. The vulnerability is a ReDoS in the regex_replace filter and function that are allowlisted in the Twig content sandbox. When Twig processing of page content is enabled (security.twig_content.process_enabled: true), an authenticated page editor can supply ...

CVE-2026-62234

Grav 2.x prior to 2.0.4 contains an SSRF vulnerability in webhook dispatch where authenticated users with api.webhooks.write can create webhooks using file://, dict://, or gopher:// protocols. This unrestricted protocol handling can be leveraged to read local files, access process information, or...

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...

CVE-2026-61453 Grav before 2.0.1 XSS via Twig String Concatenation

Grav v2.0.0 contains a cross-site scripting vulnerability fixed in 2.0.1. The XSS blueprint validator Security::detectXss runs on raw page content before Twig processing. When Twig content processing is enabled twigcontent.processenabled: true, an attacker with page-write API permission can use...

EUVD-2026-44647

Grav 2.0.1 contains a decompression-bomb size-cap bypass in ZipArchiver and GPM\Installer. The size bound introduced in 2.0.1 sums the uncompressed size declared in each entry's ZIP central-directory header ZipArchive::statIndex'size' and rejects archives exceeding...

CVE-2026-61449 Grav before 2.0.2 Decompression Bomb via Forged ZIP Size

Grav 2.0.1 contains a decompression-bomb size-cap bypass in ZipArchiver and GPM\Installer. The size bound introduced in 2.0.1 sums the uncompressed size declared in each entry's ZIP central-directory header ZipArchive::statIndex'size' and rejects archives exceeding...

CVE-2026-58492

grav-plugin-database is the database plugin for Grav CMS. Prior to 1.2.0, the PDO::tableExists method interpolates its table argument directly into a raw SQL query string without sanitization, escaping, quoting, or whitelisting, allowing attacker-controlled table names passed by consuming plugin ...

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, ...

CVE-2026-58493

CVE-2026-58493 affects grav-plugin-database (Grav CMS) prior to 1.2.0. The plugin builds PDO DSN strings by concatenating user-configurable YAML values (host, dbname, charset, server, database, directory, filename) without sanitization, enabling an administrator with plugin config access to injec...

CVE-2026-55890 Grav: Stored CSS injection via Markdown image ?style=… reaches MediaObjectTrait::style()

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-2026-61450

Grav before 2.0.2 contains a Twig sandbox bypass that allows a page author any admin.pages user, or anyone able to write to user/pages to exfiltrate configuration secrets. Although the sandbox replaces the 'config' variable with a redacted facade and strips Config::get/toArray from the method...

CVE-2026-61450 Grav before 2.0.2 Config Exfiltration via offsetGet Filter

Grav before 2.0.2 contains a Twig sandbox bypass that allows a page author any admin.pages user, or anyone able to write to user/pages to exfiltrate configuration secrets. Although the sandbox replaces the 'config' variable with a redacted facade and strips Config::get/toArray from the method...

CVE-2026-58657

Grav before 2.0.0 affected through 2.0.0-rc.9 and the 2.0 branch contains a stored CSS injection vulnerability in the Markdown image resize media action. Prior media hardening rejects direct ?style= payloads and unsafe attribute fallbacks, but the resize action in Excerpts::processMediaActions...

CVE-2026-58657 Grav - Stored CSS Injection via Markdown Image resize() Action

Grav before 2.0.0 affected through 2.0.0-rc.9 and the 2.0 branch contains a stored CSS injection vulnerability in the Markdown image resize media action. Prior media hardening rejects direct ?style= payloads and unsafe attribute fallbacks, but the resize action in Excerpts::processMediaActions...

EUVD-2026-40452

Grav CMS before 2.0.0-beta.2 contains multiple code-execution vulnerabilities. Three unsafe unserialize calls - in Scheduler\JobQueue, Framework\Cache\Adapter\FileCache, and Session - deserialize untrusted data without restricting allowed classes, enabling PHP object injection and, via a gadget...

CVE-2026-56700

Grav CMS before 2.0.0-beta.2 contains multiple code-execution vulnerabilities. Three unsafe unserialize calls - in Scheduler\JobQueue, Framework\Cache\Adapter\FileCache, and Session - deserialize untrusted data without restricting allowed classes, enabling PHP object injection and, via a gadget...

CVE-2026-56700 Grav - Multiple Remote Code Execution Vulnerabilities via Unsafe Unserialize and Command Injection

Grav CMS before 2.0.0-beta.2 contains multiple code-execution vulnerabilities. Three unsafe unserialize calls - in Scheduler\JobQueue, Framework\Cache\Adapter\FileCache, and Session - deserialize untrusted data without restricting allowed classes, enabling PHP object injection and, via a gadget...

CVE-2026-56700

Grav CMS before 2.0.0-beta.2 contains multiple code-execution vulnerabilities. Three unsafe unserialize calls - in Scheduler\JobQueue, Framework\Cache\Adapter\FileCache, and Session - deserialize untrusted data without restricting allowed classes, enabling PHP object injection and, via a gadget...

CVE-2026-56700

Grav CMS (before 2.0.0-beta.2) contains multiple code-execution vulnerabilities. Three unsafe unserialize() calls in Scheduler\JobQueue, Framework\Cache\Adapter\FileCache, and Session deserialize untrusted data, enabling PHP object injection and, via a gadget chain, arbitrary code execution when ...

CVE-2026-56700 Grav - Multiple Remote Code Execution Vulnerabilities via Unsafe Unserialize and Command Injection

Grav CMS before 2.0.0-beta.2 contains multiple code-execution vulnerabilities. Three unsafe unserialize calls - in Scheduler\JobQueue, Framework\Cache\Adapter\FileCache, and Session - deserialize untrusted data without restricting allowed classes, enabling PHP object injection and, via a gadget...