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CVE-2026-2109— jsbroks COCO Annotator Delete Category undo improper authorization

Quick assessment

Affected
jsbroks COCO Annotator
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.

COCO Annotator是Justin Brooks个人开发者的一个基于网络的图像注释工具。旨在实现多功能性和高效地标记图像。 COCO Annotator 0.11.1及之前版本存在授权问题漏洞，该漏洞源于对组件Delete Category Handler中文件/api/undo/的参数ID的错误操作，可能导致授权不当。

CVSS 5.4 · Medium EPSS 0.41% · P33
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I. Basic Information for CVE-2026-2109

Vulnerability Information
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Vulnerability Title
jsbroks COCO Annotator Delete Category undo improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1. Affected is an unknown function of the file /api/undo/ of the component Delete Category Handler. Such manipulation of the argument ID leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might 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:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
COCO Annotator 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
COCO Annotator是Justin Brooks个人开发者的一个基于网络的图像注释工具。旨在实现多功能性和高效地标记图像。 COCO Annotator 0.11.1及之前版本存在授权问题漏洞，该漏洞源于对组件Delete Category Handler中文件/api/undo/的参数ID的错误操作，可能导致授权不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
jsbroks COCO Annotator 0.11.0 cpe:2.3:a:jsbroks:coco_annotator:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-2109

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III. Intelligence Information for CVE-2026-2109

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Proof of Concept for CVE-2026-2109 (1)

IV. Related Vulnerabilities

Same product: COCO Annotator
Same vendor: jsbroks
Same weakness: CWE-285

V. Comments for CVE-2026-2109

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