Read the docs
TI-2026-85373 Aliases CVE-2026-123017GHSA-r2gq-fqfh-5gqm

Authentication bypass in GodotSteam lets players spoof the server

Priority LOW 28CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-290.

Summary

GodotSteam versions from 4.17.0 through 4.23.2 trust the peer value of 1 to mean that a player is the server. This flaw is CWE-290, an authentication bypass by spoofing, in which the server check accepts a forged peer value. A remote attacker with no privileges and no user interaction can forge a grant_gold call.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

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.

Why it matters now

EPSS 0.00258 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
godotsteamGodotSteam4.17.0 – 4.23.2—No fix listedCNA
  • GodotSteam Vendorgodotsteam Affected 4.17.0 – 4.23.2 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for GodotSteam.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-123017
  2. 2026-11-05 Alias added: GHSA-r2gq-fqfh-5gqm
  3. 2026-11-06 Priority changed: MEDIUM → LOW

References

Other 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences