CVE-2026-72701

Grav CMS before 2.0.16 contains a timing vulnerability in Utils::verifyNonce that uses non-constant-time string comparison with the === operator instead of hashequals for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through...

CVE-2026-72695

Grav before 2.0.16 contains a path traversal vulnerability in MediaUploadTrait::deleteFile that allows authenticated users with media management permissions to delete arbitrary files by supplying filenames with directory traversal sequences. The method validates only the basename portion of the...

CVE-2026-72702 Grav CMS before 2.0.16 Origin Validation Bypass via Referer

Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer and Pages::referrerRoute methods, which validate the Referer header using an unanchored string prefix match strstartswith$referrer, $base with no trailing delimiter. An attacker who controls a domain that begins with...

CVE-2026-72702 Grav CMS before 2.0.16 Origin Validation Bypass via Referer

Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer and Pages::referrerRoute methods, which validate the Referer header using an unanchored string prefix match strstartswith$referrer, $base with no trailing delimiter. An attacker who controls a domain that begins with...

CVE-2026-72702

Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer and Pages::referrerRoute methods, which validate the Referer header using an unanchored string prefix match strstartswith$referrer, $base with no trailing delimiter. An attacker who controls a domain that begins with...

CVE-2026-72702

Grav CMS versions before 2.0.16 contain an origin validation bypass in the Uri::referrer() and Pages::referrerRoute() methods. The root cause is an unanchored string prefix match (str_starts_with($referrer, $base)) with no trailing delimiter, meaning an attacker who controls a domain that begins ...

CVE-2026-72702 Grav CMS before 2.0.16 Origin Validation Bypass via Referer

Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer and Pages::referrerRoute methods, which validate the Referer header using an unanchored string prefix match strstartswith$referrer, $base with no trailing delimiter. An attacker who controls a domain that begins with...

CVE-2026-72701 Grav CMS before 2.0.16 Timing Attack via verifyNonce

Grav CMS before 2.0.16 contains a timing vulnerability in Utils::verifyNonce that uses non-constant-time string comparison with the === operator instead of hashequals for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through...

CVE-2026-72701

Grav CMS before 2.0.16 contains a timing vulnerability in Utils::verifyNonce that uses non-constant-time string comparison with the === operator instead of hashequals for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through...

CVE-2026-72701 Grav CMS before 2.0.16 Timing Attack via verifyNonce

Grav CMS before 2.0.16 contains a timing vulnerability in Utils::verifyNonce that uses non-constant-time string comparison with the === operator instead of hashequals for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through...

CVE-2026-72701

Grav CMS before 2.0.16 is affected by a timing side-channel vulnerability in Utils::verifyNonce(). The function uses a non-constant-time string comparison (the === operator) instead of PHP's hash_equals() when validating CSRF nonces . An attacker can measure response-time differences across multi...

CVE-2026-72701 Grav CMS before 2.0.16 Timing Attack via verifyNonce

Grav CMS before 2.0.16 contains a timing vulnerability in Utils::verifyNonce that uses non-constant-time string comparison with the === operator instead of hashequals for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through...

CVE-2026-72698 Grav CMS before 2.0.16 Information Disclosure via Twig Sandbox Bypass

Grav CMS before 2.0.16 fails to filter system, site, and theme configuration arrays in sandboxed Twig renders, allowing content editors to read sensitive configuration values. Attackers with page-content edit access can access raw configuration arrays including secrets like cache credentials by...

CVE-2026-72698

Grav CMS before 2.0.16 fails to filter system, site, and theme configuration arrays in sandboxed Twig renders. An attacker with page-content edit access (low privilege) can bypass the config_denied_paths restrictions by using dot notation in Twig templates, exposing raw configuration values inclu...

CVE-2026-72698 Grav CMS before 2.0.16 Information Disclosure via Twig Sandbox Bypass

Grav CMS before 2.0.16 fails to filter system, site, and theme configuration arrays in sandboxed Twig renders, allowing content editors to read sensitive configuration values. Attackers with page-content edit access can access raw configuration arrays including secrets like cache credentials by...

CVE-2026-72698 Grav CMS before 2.0.16 Information Disclosure via Twig Sandbox Bypass

Grav CMS before 2.0.16 fails to filter system, site, and theme configuration arrays in sandboxed Twig renders, allowing content editors to read sensitive configuration values. Attackers with page-content edit access can access raw configuration arrays including secrets like cache credentials by...

CVE-2026-72698

Grav CMS before 2.0.16 fails to filter system, site, and theme configuration arrays in sandboxed Twig renders, allowing content editors to read sensitive configuration values. Attackers with page-content edit access can access raw configuration arrays including secrets like cache credentials by...

CVE-2026-72697 Grav CMS before 2.0.16 Path Traversal via media_directory

Grav CMS before 2.0.16 contains a path traversal vulnerability in the mediadirectory Twig function that fails to validate filesystem paths, allowing authenticated users to enumerate and access files outside intended scope. Attackers with page authoring privileges can supply arbitrary filesystem...

CVE-2026-72697 Grav CMS before 2.0.16 Path Traversal via media_directory

Grav CMS before 2.0.16 contains a path traversal vulnerability in the mediadirectory Twig function that fails to validate filesystem paths, allowing authenticated users to enumerate and access files outside intended scope. Attackers with page authoring privileges can supply arbitrary filesystem...

CVE-2026-72697

Grav CMS before 2.0.16 contains a path traversal vulnerability in the mediadirectory Twig function that fails to validate filesystem paths, allowing authenticated users to enumerate and access files outside intended scope. Attackers with page authoring privileges can supply arbitrary filesystem...