Denial of Service Vulnerability in Simular AI Agent-S by Simular AI
CVE-2026-84885

5.3MEDIUM

Key Information:

Vendor

Simular-ai

Status
Agent-s
Vendor
CVE Published:
2 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-84885?

A security flaw has been identified in the Agent-S product, specifically located in the code_agent.py file of the CodeAgent component. Exploiting this vulnerability allows attackers to cause a denial of service, potentially disrupting the functionality of the affected system. This issue can be exploited remotely, making it particularly concerning for users. Although the vendor was informed about the vulnerability disclosure, there has been no response regarding remediation efforts.

Affected Version(s)

Agent-S 0.3.1

Agent-S 0.3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-84885 - Proof of Concept

References

https://vuldb.com/vuln/398133
vdb-entry
https://vuldb.com/vuln/398133/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-84885
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

outlookgp (VulDB User)
VulDB CNA Team
.