# CVE-2026-86196

## Summary

- **CVE ID:** CVE-2026-86196
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-290
- **Published:** Sep 5, 2026
- **Last Modified:** Sep 8, 2026

## 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

- getgrav — grav-plugin-api (0)
- getgrav — grav-plugin-api (1.0.20)

## References

- [CNA](https://github.com/getgrav/grav/security/advisories/GHSA-262p-56vv-7v5r)
- [CNA](https://www.vulncheck.com/advisories/grav-api-plugin-before-1.0.20-authentication-bypass-via-host-header)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 17.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._