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CVE-2026-82833— Doccano Open Source Annotation Tools for Machine Learning Practitioners Project Example Detail Endpoint examples ExampleDetail access control

Quick assessment

Affected
Doccano Open Source Annotation Tools for Machine Learning Practitioners
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 Doccano（面向机器学习从业者的开源标注工具）的自动标注流水线模块（Auto Labeling Pipeline Module）中，发现了一个安全漏洞，受影响版本为 1.8.5 及以下版本。具体受影响的功能位于 路径下“项目示例详情端点”（Project Example Detail Endpoint）中的 函数。该漏洞的成因是访问控制不当，攻击者可通过远程方式发起攻击。目前该漏洞的利用方法已公开，因此可能已被利用。披露方在早期已联系供应商，但供应商未作任何回应。

CVSS 6.3 · Medium
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I. Basic Information for CVE-2026-82833

Vulnerability Information
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Vulnerability Title
Doccano Open Source Annotation Tools for Machine Learning Practitioners Project Example Detail Endpoint examples ExampleDetail access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Doccano Open Source Annotation Tools for Machine Learning Practitioners and Auto Labeling Pipeline Module to Annotate a Document Automatically up to 1.8.5. Affected by this issue is the function ExampleDetail of the file /v1/projects/1/examples/ of the component Project Example Detail Endpoint. Such manipulation leads to improper access controls. 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:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Doccano Open Source Annotation Tools for Machine Learning Practitioners 1.8.0 cpe:2.3:a:doccano:open_source_annotation_tools_for_machine_learning_practitioners:*:*:*:*:*:*:*:*
Doccano Auto Labeling Pipeline Module to Annotate a Document Automatically 1.8.0 cpe:2.3:a:doccano:auto_labeling_pipeline_module_to_annotate_a_document_automatically:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82833

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-82833

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Other References for CVE-2026-82833 (1)

Other References for CVE-2026-82833 (4)

IV. Related Vulnerabilities

Same product: Open Source Annotation Tools for Machine Learning Practitioners
Same vendor: Doccano
Same weakness: CWE-284

V. Comments for CVE-2026-82833

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