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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-82834
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-31 20:17:15 UTC
Updated2026-08-31 20:17:15 UTC
DescriptionA security flaw has been discovered 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 affects the function LabelList of the file /v1/projects/1/category-types of the component Bulk-Delete Endpoint. Performing a manipulation results in improper access controls. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-266 | CWE-284 | CWE-284 Improper Access Controls | CWE-266 Incorrect Privilege Assignment

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
3.1CNADECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
3.0CNADECLARED5.4MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary5.5AV:N/AC:L/Au:S/C:N/I:P/A:P
2.0CNADECLARED5.5AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Doccano Open Source Annotation Tools For Machine Learning Practitioners affected 1.8.0 Not specified
CNA Doccano Open Source Annotation Tools For Machine Learning Practitioners affected 1.8.1 Not specified
CNA Doccano Open Source Annotation Tools For Machine Learning Practitioners affected 1.8.2 Not specified
CNA Doccano Open Source Annotation Tools For Machine Learning Practitioners affected 1.8.3 Not specified
CNA Doccano Open Source Annotation Tools For Machine Learning Practitioners affected 1.8.4 Not specified
CNA Doccano Open Source Annotation Tools For Machine Learning Practitioners affected 1.8.5 Not specified
CNA Doccano Auto Labeling Pipeline Module To Annotate A Document Automatically affected 1.8.0 Not specified
CNA Doccano Auto Labeling Pipeline Module To Annotate A Document Automatically affected 1.8.1 Not specified
CNA Doccano Auto Labeling Pipeline Module To Annotate A Document Automatically affected 1.8.2 Not specified
CNA Doccano Auto Labeling Pipeline Module To Annotate A Document Automatically affected 1.8.3 Not specified
CNA Doccano Auto Labeling Pipeline Module To Annotate A Document Automatically affected 1.8.4 Not specified
CNA Doccano Auto Labeling Pipeline Module To Annotate A Document Automatically affected 1.8.5 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/397246 [email protected] vuldb.com
drive.google.com/file/d/1qRWtrUHfr-huJlr-Tb8zFj3pIg8Jnwhk/view [email protected] drive.google.com
vuldb.com/submit/876639 [email protected] vuldb.com
vuldb.com/cve/CVE-2026-82834 [email protected] vuldb.com
vuldb.com/vuln/397246/cti [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Stephen Lin (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-31T00:00:00.000ZAdvisory disclosed
CNA2026-08-31T02:00:00.000ZVulDB entry created
CNA2026-08-31T09:31:02.000ZVulDB entry last update

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report