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-2026-59193 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-2026-59193

Grav CMS is a file-based web platform. Before version 2.0.0, an authenticated admin.super user could trigger a denial of service by uploading a specially crafted ZIP via the Direct Install tool, because Installer::unZip uses ZipArchive::extractTo without limits on uncompressed size, entry count, ...

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, ...

CVE-2026-59190

Grav plugin: grav-plugin-admin is affected. In versions ≤1.10.52, an authenticated user with admin.users permission can escalate privileges by altering another user’s password via POST to /admin/user/{username}?task=save with data[password]. The vulnerability stems from saveUser validating the ca...

CVE-2026-59190 Grav Admin Plugin — IDOR Privilege Escalation via saveUser()

grav-plugin-admin is an HTML user interface that provides a way to configure Grav and create and modify pages. In 1.10.52 and earlier, an authenticated attacker with admin.users permission can change the password of any user account, including the super administrator, by sending a direct POST...

CVE-2026-59190 Grav Admin Plugin — IDOR Privilege Escalation via saveUser()

grav-plugin-admin is an HTML user interface that provides a way to configure Grav and create and modify pages. In 1.10.52 and earlier, an authenticated attacker with admin.users permission can change the password of any user account, including the super administrator, by sending a direct POST...

CVE-2026-58493 grav-plugin-database: DSN Parameter Injection via Unsanitized Configuration Values in Connection String Construction

grav-plugin-database is the database plugin for Grav CMS. Prior to 1.2.0, Database::call builds PDO DSN strings by directly concatenating user-configurable YAML values from fields such as host, dbname, charset, server, database, directory, and filename without sanitization or validation, allowing...

CVE-2026-58493

grav-plugin-database is the database plugin for Grav CMS. Prior to 1.2.0, Database::call builds PDO DSN strings by directly concatenating user-configurable YAML values from fields such as host, dbname, charset, server, database, directory, and filename without sanitization or validation, allowing...

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-2026-58493 grav-plugin-database: DSN Parameter Injection via Unsanitized Configuration Values in Connection String Construction

grav-plugin-database is the database plugin for Grav CMS. Prior to 1.2.0, Database::call builds PDO DSN strings by directly concatenating user-configurable YAML values from fields such as host, dbname, charset, server, database, directory, and filename without sanitization or validation, allowing...

CVE-2026-58492

Technical details are not publicly available in the provided documents. Monitor for updates.

CVE-2026-58492 grav-plugin-database: SQL Injection in PDO::tableExists() due to Unsanitized Table Name Interpolation

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-2026-58492 grav-plugin-database: SQL Injection in PDO::tableExists() due to Unsanitized Table Name Interpolation

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-2026-55890 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-2026-55890 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...

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-2026-55890

Grav CVE-2026-55890 concerns stored CSS injection via Markdown image style parameters that reach MediaObjectTrait::style(). The incomplete patch from GHSA-r7fx-8g49-7hhr fixed attribute() (denying dangerous attribute names) but leaves the sibling style() sink unmitigated, allowing editor-supplied...

CVE-2026-55885 Grav: Admin Backup Zip File Exposes Account Credentials and Configuration Secrets

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

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) ...