CVE-2026-123017 json
GodotSteam 4.17 through 4.23.2 trusts the peer value of 1 to mean that a player is the server.
published 2026-11-05 4 d ago modified 2026-11-05 3 d ago also EUVD-2026-117358
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected products
- godotsteam GodotSteam
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
- axeghost.offprint.app /a/3mzhxoqpnh423-any-networked-co-player-can-act-as-the-server-in-a-godotsteam-game
- github.com /bitbutter/godot-security-pocs/tree/main/2026-11-godotsteam-peer-id-claim
- codeberg.org /godotsteam/godotsteam
- openwall.com /lists/oss-security/2026/11/04/11
- openwall.com /lists/oss-security/2026/11/05/5
Sources
- CVE List CVE-2026-123017
- NVD CVE-2026-123017
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