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

Quick assessment

Affected
simular-ai Agent-S
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 simular-ai Agent-S 0.3.1/0.3.2 中发现了一个漏洞。该漏洞影响了 CodeAgent 组件中 code_agent.py 文件的一个未知函数。攻击者可以通过远程利用此漏洞，导致服务中断（拒绝服务）。该漏洞的利用方式已被公开，并可能已被利用。厂商在漏洞公开初期即被联系，但未作出任何回应。

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-84885

Vulnerability Information
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Vulnerability Title
simular-ai Agent-S CodeAgent code_agent.py denial of service
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
simular-ai Agent-S 0.3.1 cpe:2.3:a:simular-ai:agent-s:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84885

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III. Intelligence Information for CVE-2026-84885

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News Coverage for CVE-2026-84885 (1)

Other References for CVE-2026-84885 (3)

Same Patch Batch · simular-ai · 2026-09-02 · 3 CVEs total

CVE-2026-84886 5.3 MEDIUM simular-ai Agent-S OCR HTTP API ocr_server.py ImageData resource consumption
CVE-2026-84887 4.3 MEDIUM simular-ai Agent-S Model-generated GUI Action Execution Workflow grounding.py denial of se

IV. Related Vulnerabilities

Same product: Agent-S
Same vendor: simular-ai
Same weakness: CWE-404

V. Comments for CVE-2026-84885

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