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CVE-2026-84886— simular-ai Agent-S OCR HTTP API ocr_server.py ImageData resource consumption

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 的 Agent-S（版本 ≤ 0.3.2）中已发现一个安全漏洞。该漏洞影响了组件“OCR HTTP API”中文件 内的 函数。攻击者可以通过操纵参数 来触发资源消耗问题（例如内存或 CPU 过度占用），从而导致服务性能下降或不可用。该攻击可远程发起，且相关利用方法已公开披露，可能被攻击者利用。供应商虽在漏洞披露初期已被联系，但未能作出任何回应。

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-84886

Vulnerability Information
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Vulnerability Title
simular-ai Agent-S OCR HTTP API ocr_server.py ImageData resource consumption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in simular-ai Agent-S up to 0.3.2. Affected by this vulnerability is the function ImageData of the file gui_agents/s1/utils/ocr_server.py of the component OCR HTTP API. Executing a manipulation of the argument img_bytes can lead to resource consumption. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. 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:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
simular-ai Agent-S 0.3.0 cpe:2.3:a:simular-ai:agent-s:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84886

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III. Intelligence Information for CVE-2026-84886

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Vendor Advisories for CVE-2026-84886 (2)

Proof of Concept for CVE-2026-84886 (1)

Other References for CVE-2026-84886 (1)

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

CVE-2026-84885 4.3 MEDIUM simular-ai Agent-S CodeAgent code_agent.py denial of service
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-400

V. Comments for CVE-2026-84886

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