What is CVE-2026-123017?

CVE-2026-123017 is a medium-severity vulnerability in Godotsteam, classified under Authentication Bypass by Spoofing. CVSS score: 6.5/10. Published 2026-11-05.

How severe is CVE-2026-123017?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Godotsteam

CVE-2026-123017

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.

Published 2026-11-05 · last modified 2026-11-05.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Godotsteam

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

axeghost.offprint.app/a/3mzhxoqpnh423-any-networked-co-player-can-act-as-the-se…
codeberg.org/godotsteam/godotsteam
github.com/bitbutter/godot-security-pocs/tree/main/2026-11-godotsteam-peer-id-c…
www.openwall.com/lists/oss-security/2026/11/04/11
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-123017?: CVE-2026-123017 is a medium-severity vulnerability in Godotsteam, classified under Authentication Bypass by Spoofing. CVSS score: 6.5/10. Published 2026-11-05.
How severe is CVE-2026-123017?: Medium severity. CVSS v3 base score is 6.5 out of 10.