CVE-2026-56710 Grav Login Plugin before 1.0.16 Privilege Escalation via Unlock

Grav Login plugin versions before 1.0.16 fail to validate the target account's privilege level in the onApiUserListRowAction unlock handler. An attacker with api.users.write permission can clear login lockout counters on admin.super accounts, removing brute-force protection from the...

CVE-2026-56709 Grav before 3.9.2 Host Header Injection via sendInvitationEmail

Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the requiretrustedhost...

CVE-2026-56709

Grav before 3.9.2 is vulnerable to a Host header injection in the sendInvitationEmail() function. When constructing token-bearing invitation links, the unvalidated Host header allows an attacker to poison the link and redirect users to an attacker-controlled domain . This bypasses the require_tru...

EUVD-2026-65207

Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the requiretrustedhost...

CVE-2026-56709 Grav before 3.9.2 Host Header Injection via sendInvitationEmail

Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the requiretrustedhost...

CVE-2026-56708 Grav API Plugin before 1.0.16 SSRF via DNS Rebinding

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

CVE-2026-56708 Grav API Plugin before 1.0.16 SSRF via DNS Rebinding

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

CVE-2026-56708

The Grav API plugin before version 1.0.16 is affected by a server-side request forgery (SSRF) vulnerability in its webhook delivery mechanism. The root cause is a DNS rebinding attack that bypasses hostname validation: an attacker who controls the authoritative DNS for a configured webhook hostna...

EUVD-2026-65206

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

CVE-2026-56707 Grav Flex Objects 1.4.0 through 1.4.7 Authorization Bypass via Shortcode

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

CVE-2026-56707 Grav Flex Objects 1.4.0 through 1.4.7 Authorization Bypass via Shortcode

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

CVE-2026-56707

Grav Flex Objects plugin (versions 1.4.0 through 1.4.7 ) contains an authorization bypass in the flex-objects shortcode. Any user with page-edit access can embed the shortcode in a published page to render any registered Flex collection without the permission checks enforced in the admin panel's ...

EUVD-2026-65205

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

CVE-2026-56707 Grav Flex Objects 1.4.0 through 1.4.7 Authorization Bypass via Shortcode

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

PT-2026-81134

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

PT-2026-81144

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 hash equals for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through...

PT-2026-81140

Grav CMS before 2.0.16 contains a path traversal vulnerability in the media directory 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...

PT-2026-81141

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...

PT-2026-81149

Grav before 2.0.16 contains an incomplete default denylist in the Twig sandbox configuration that fails to block access to system configuration secrets. Attackers with page-edit permission can use config.get or config.toArray in Twig templates to retrieve sensitive values like...

CVE-2026-72702: Origin Validation Error

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...