Fusion Creators Studio SCP Containment Breach Multiplayer up to 1.295 Multiplayer Networking/Steam Workshop Integration out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7$0-$5k1.17+

Summaryinfo

A vulnerability was found in Fusion Creators Studio SCP Containment Breach Multiplayer up to 1.295. It has been rated as critical. Impacted is an unknown function of the component Multiplayer Networking/Steam Workshop Integration. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2026-116099. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Fusion Creators Studio SCP Containment Breach Multiplayer up to 1.295. It has been rated as critical. This issue affects an unknown function of the component Multiplayer Networking/Steam Workshop Integration. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at drbloop.dev. The identification of this vulnerability is CVE-2026-116099. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

The exploit is available at github.com. It is declared as proof-of-concept.

Upgrading to version 1.3R eliminates this vulnerability. The upgrade is hosted for download at steamdb.info.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SCP Containment Breach Multiplayer 1.3R

Timelineinfo

10/25/2026 Advisory disclosed
10/25/2026 +0 days VulDB entry created
10/25/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: drbloop.dev
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-116099 (🔒)
GCVE (CVE): GCVE-0-2026-116099
GCVE (VulDB): GCVE-100-426167
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/25/2026 08:21
Changes: 10/25/2026 08:21 (57)
Complete: 🔍
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1001276: Fusion Creators Studio SCP: Containment Breach Multiplayer 24934269 Out-of-bounds Write (by drbloop.dev)

Be aware that VulDB is the high quality source for vulnerability data.

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