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Description

Reviactyl is an open-source game server management panel built using Laravel, React, FilamentPHP, Vite, and Go. From version 26.2.0-beta.1 to before version 26.2.0-beta.5, a vulnerability in the OAuth authentication flow allowed 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. This results in a full account takeover with no prior authentication required. This issue has been patched in version 26.2.0-beta.5.

PUBLISHED Reserved 2026-03-27 | Published 2026-04-01 | Updated 2026-04-02 | Assigner GitHub_M




CRITICAL: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Problem types

CWE-284: Improper Access Control

Product status

>= 26.2.0-beta.1, < 26.2.0-beta.5
affected

References

github.com/.../panel/security/advisories/GHSA-8mcf-rp68-xhfg

github.com/...ommit/fe0c29fc62fefe354c9ab8936dfe30fdb586a896

github.com/reviactyl/panel/releases/tag/v26.2.0-beta.5

cve.org (CVE-2026-34456)

nvd.nist.gov (CVE-2026-34456)

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