---
id: CVE-2026-84886
title: A vulnerability was determined in simular-ai Agent-S up to 0.3.2
summary: >-
  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 argum…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-400
  - CWE-404
published: '2026-09-03'
updated: '2026-09-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84886'
references:
  - url: >-
      https://github.com/hackerguopeng/cve/tree/main/AgentS_OCR_HTTP_Body_Image_DoS_Report
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-84886'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/886443'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/398135'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/398135/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00637
epssPercentile: 0.48252
ingestedAt: '2026-09-05T20:44:35.604Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.