Reviactyl · Reviactyl · CVE-2026-34456
Name of the Vulnerable Software and Affected Versions
Reviactyl versions 26.2.0-beta.1 through 26.2.0-beta.4
Description
A flaw in the OAuth authentication process allowed for automatic linking of social accounts based solely on matching email addresses. An attacker could create or control a social account (e.g., Google, GitHub, Discord) using a victim’s email address and gain full access to the victim's account without knowing their password, resulting in a full account takeover without prior authentication.
Recommendations
Update to version 26.2.0-beta.5 or later.