CVE-2026-123017

CVSS 6.5 (medium) · published 2026-11-05

GodotSteam 4.17 through 4.23.2 trusts the peer value of 1 to mean that a player is the server. A grant_gold(1000000) call can be forged.

Weakness: CWE-290

Source: NVD CVE-2026-123017

References

• https://axeghost.offprint.app/a/3mzhxoqpnh423-any-networked-co-player-can-act-as-the-server-in-a-godotsteam-game
• https://codeberg.org/godotsteam/godotsteam
• https://github.com/bitbutter/godot-security-pocs/tree/main/2026-11-godotsteam-peer-id-claim
• https://www.openwall.com/lists/oss-security/2026/11/04/11
• http://www.openwall.com/lists/oss-security/2026/11/05/5

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.