CVE-2026-123017
GodotSteam 4.17 through 4.23.2 trusts the peer value of 1 to mean that a player is the server
- Risk score
- 42/100
- CVSS
- 6.5 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 5 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.5 medium
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
Original description
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.
Last activity 5 Nov 2026. Patch Forecast updates every hour.