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OpenAdvisories
High · 8.7 CVE-2026-86196 EUVD-2026-71998GHSA-gg9g-7x93-5gq2

Grav API Plugin before 1.0.20 Authentication Bypass via Host Header

Published Sep 5, 2026 · Updated Sep 8, 2026 · Assigned by VulnCheck

Description

Grav API plugin versions before 1.0.20 build password reset links from the untrusted Host header in the forgot-password endpoint, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can send password reset requests for any account with a malicious Host header, intercept the reset token from victim emails, and complete account takeover including super-admin accounts.

Affected products

VendorProductAffectedFixed
getgrav grav-plugin-api < 1.0.20 1.0.20

References