CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.1. See the original NVD description below for full technical details.
CVE
CVE-2026-29199
Severity
HIGH
CVSS
8.1
EPSS
0.25%
Original NVD Description
phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When force_server_vars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Host header (e.g. through misconfigured host setup or missing header validation by the webserver) can cause password reset emails to contain a link pointing to an attacker-controlled domain, potentially leading to account takeover.
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