Doccano Open Source Annotation Tools for Machine Learning Practitioners Bulk-Delete Endpoint category-types LabelList access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9$0-$5k1.25+

Summaryinfo

A vulnerability labeled as problematic has been found 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. This vulnerability affects the function LabelList of the file /v1/projects/1/category-types of the component Bulk-Delete Endpoint. Executing a manipulation can lead to access control. This vulnerability is handled as CVE-2026-82834. The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability has been found 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 and classified as problematic. This vulnerability affects the function LabelList of the file /v1/projects/1/category-types of the component Bulk-Delete Endpoint. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity, and availability.

The advisory is available at drive.google.com. This vulnerability was named CVE-2026-82834. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is possible to download the exploit at drive.google.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/31/2026 Advisory disclosed
08/31/2026 +0 days VulDB entry created
08/31/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: drive.google.com
Status: Not defined

CVE: CVE-2026-82834 (🔒)
GCVE (CVE): GCVE-0-2026-82834
GCVE (VulDB): GCVE-100-397246
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/31/2026 09:31
Changes: 08/31/2026 09:31 (57)
Complete: 🔍
Submitter: Stephen Lin
Cache ID: 216::103

Submitinfo

Accepted

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