CVE-2026-34456

Summary

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.

Affected Software

Weaknesses

• CWE-284: CWE-284: Improper Access Control

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• https://github.com/reviactyl/panel/security/advisories/GHSA-8mcf-rp68-xhfg
• https://github.com/reviactyl/panel/commit/fe0c29fc62fefe354c9ab8936dfe30fdb586a896
• https://github.com/reviactyl/panel/releases/tag/v26.2.0-beta.5

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