Arbitrary Code Injection

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Arbitrary Code Injection via the dynamicData function. An attacker can execute arbitrary code by planting a malicious callable directive in a...

EUVD-2026-46123

Grav CMS scheduler-webhook plugin contains an authentication bypass vulnerability that allows unauthenticated remote attackers to trigger configured scheduled jobs by exploiting a short-circuit logic flaw in the webhook token validation. Attackers can send a single unauthenticated POST request to...

CVE-2026-57852

Grav CMS scheduler-webhook plugin contains an authentication bypass vulnerability that allows unauthenticated remote attackers to trigger configured scheduled jobs by exploiting a short-circuit logic flaw in the webhook token validation. Attackers can send a single unauthenticated POST request to...

CVE-2026-57852

Affected product/Component: Grav CMS scheduler-webhook plugin. Vulnerability: Authentication bypass due to a short-circuit logic flaw in the webhook token validation, allowing unauthenticated remote attackers to trigger configured scheduled jobs. Impact (as described): An unauthenticated POST to ...

CVE-2026-57852 Authentication Bypass via Null Short-Circuit in Grav CMS Scheduler Webhook Token Check

Grav CMS scheduler-webhook plugin contains an authentication bypass vulnerability that allows unauthenticated remote attackers to trigger configured scheduled jobs by exploiting a short-circuit logic flaw in the webhook token validation. Attackers can send a single unauthenticated POST request to...

CVE-2026-57852 Authentication Bypass via Null Short-Circuit in Grav CMS Scheduler Webhook Token Check

Grav CMS scheduler-webhook plugin contains an authentication bypass vulnerability that allows unauthenticated remote attackers to trigger configured scheduled jobs by exploiting a short-circuit logic flaw in the webhook token validation. Attackers can send a single unauthenticated POST request to...

PT-2026-61740

Name of the Vulnerable Software and Affected Versions Grav CMS scheduler-webhook plugin affected versions not specified Description An authentication bypass exists in the scheduler-webhook plugin due to a short-circuit logic flaw during webhook token validation. This allows unauthenticated remote...

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-2026-62237 Grav < 2.0.4 ReDoS via regex_replace in Sandbox

Grav before 2.0.4 contains a regular expression denial of service ReDoS vulnerability in the regexreplace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, disabled by default, an...

CVE-2026-62237 Grav < 2.0.4 ReDoS via regex_replace in Sandbox

Grav before 2.0.4 contains a regular expression denial of service ReDoS vulnerability in the regexreplace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, disabled by default, an...

CVE-2026-62234 Grav < 2.0.4 SSRF via Unrestricted cURL Protocols

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

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-2026-62232 Grav < 2.0.4 2FA Bypass via Secret Regeneration

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-2026-61873

Grav before 9.1.8 is affected by an arbitrary file write in the Form plugin via the process.save.filename parameter. The parameter is path-traversal validated before Twig processing but not re-validated after rendering, enabling an attacker to submit form data that writes arbitrary files (includi...

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, ...