8.7High
CVE-2026-86196Grav API Plugin before 1.0.20 Authentication Bypass via Host Header
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.
Weakness (CWE):
CWE-290
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| getgrav | grav | < 1.0.20 | |
| getgrav | grav-plugin-api | < 1.0.20, fixed 1.0.20 |
References and patches
- GitHub Security Advisory (GHSA-262p-56vv-7v5r) vendor-advisory
- VulnCheck Advisory: Grav API Plugin before 1.0.20 Authentication Bypass via Host Header third-party-advisory