CVE-2026-84885: simular-ai Agent-S CodeAgent code_agent.py denial of service

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-03 · updated 2026-09-03
Weakness: CWE-404

Description

A vulnerability has been found in simular-ai Agent-S 0.3.1/0.3.2. This impacts an unknown function of the file code_agent.py of the component CodeAgent. Such manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

simular-ai Agent-S: 0.3.1, 0.3.2

References

https://github.com/outlookgp/CVE/tree/main/AgentS_CodeAgent_Tool_Output_DoS_Report
https://vuldb.com/cve/CVE-2026-84885
https://vuldb.com/submit/886431
https://vuldb.com/vuln/398133
https://vuldb.com/vuln/398133/cti

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