CVE-2026-52855: Pterodactyl Wings

Critical severity, CVSS 9.9. EPSS: 0.5% chance of exploitation in the next 30 days.

Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.12.3, {{config.}} placeholders in egg configuration-file templates allow a low-privileged user to read {{config.token}}, {{config.token_id}}, and {{config.docker.registries}} from the full daemon configuration. This issue is fixed in version 1.12.3.

Affected products

• Pterodactyl Wings: before 1.12.3 (fixed in 1.12.3)

Published 2026-07-31. Last modified 2026-09-10.