Vulnerability · Published Nov 5, 2026 · Assigned by mitre
CVE-2026-123017
Medium 6.5
In plain English
A medium-severity authentication bypass by spoofing in GodotSteam from godotsteam. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 82.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| godotsteam | GodotSteam | 4.17.0 – through 4.23.2 |
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://axeghost.offprint.app/a/3mzhxoqpnh423-any-networked-co-player-can-act-as-the-server-in-a-godotsteam-game
- https://github.com/bitbutter/godot-security-pocs/tree/main/2026-11-godotsteam-peer-id-claim
- https://codeberg.org/godotsteam/godotsteam
- https://www.openwall.com/lists/oss-security/2026/11/04/11
- http://www.openwall.com/lists/oss-security/2026/11/05/5