{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-82834", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-31T07:25:51.029Z", "datePublished": "2026-08-31T19:15:08.323Z", "dateUpdated": "2026-08-31T19:15:08.323Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-31T19:15:08.323Z"}, "title": "Doccano Open Source Annotation Tools for Machine Learning Practitioners Bulk-Delete Endpoint category-types LabelList access control", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-284", "lang": "en", "description": "Improper Access Controls"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-266", "lang": "en", "description": "Incorrect Privilege Assignment"}]}], "affected": [{"vendor": "Doccano", "product": "Open Source Annotation Tools for Machine Learning Practitioners", "versions": [{"version": "1.8.0", "status": "affected"}, {"version": "1.8.1", "status": "affected"}, {"version": "1.8.2", "status": "affected"}, {"version": "1.8.3", "status": "affected"}, {"version": "1.8.4", "status": "affected"}, {"version": "1.8.5", "status": "affected"}], "cpes": ["cpe:2.3:a:doccano:open_source_annotation_tools_for_machine_learning_practitioners:*:*:*:*:*:*:*:*"], "modules": ["Bulk-Delete Endpoint"]}, {"vendor": "Doccano", "product": "Auto Labeling Pipeline Module to Annotate a Document Automatically", "versions": [{"version": "1.8.0", "status": "affected"}, {"version": "1.8.1", "status": "affected"}, {"version": "1.8.2", "status": "affected"}, {"version": "1.8.3", "status": "affected"}, {"version": "1.8.4", "status": "affected"}, {"version": "1.8.5", "status": "affected"}], "cpes": ["cpe:2.3:a:doccano:auto_labeling_pipeline_module_to_annotate_a_document_automatically:*:*:*:*:*:*:*:*"], "modules": ["Bulk-Delete Endpoint"]}], "descriptions": [{"lang": "en", "value": "A 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."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "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", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.4, "vectorString": "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", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-08-31T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-31T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-31T09:31:02.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Stephen Lin (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/397246", "name": "VDB-397246 | Doccano Open Source Annotation Tools for Machine Learning Practitioners Bulk-Delete Endpoint category-types LabelList access control", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/397246/cti", "name": "VDB-397246 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-82834", "name": "CVE-2026-82834 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/876639", "name": "Submit #876639 | doccano v1.8.5 Broken Access Control", "tags": ["third-party-advisory"]}, {"url": "https://drive.google.com/file/d/1qRWtrUHfr-huJlr-Tb8zFj3pIg8Jnwhk/view?usp=drive_link", "tags": ["exploit"]}], "x_generator": ["VulDB PVTS v202608"]}}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:doccano:open_source_annotation_tools_for_machine_learning_practitioners:*:*:*:*:*:*:*:*"], "modules": ["Bulk-Delete Endpoint"], "product": "Open Source Annotation Tools for Machine Learning Practitioners", "vendor": "Doccano", "versions": [{"status": "affected", "version": "1.8.0"}, {"status": "affected", "version": "1.8.1"}, {"status": "affected", "version": "1.8.2"}, {"status": "affected", "version": "1.8.3"}, {"status": "affected", "version": "1.8.4"}, {"status": "affected", "version": "1.8.5"}]}, {"cpes": ["cpe:2.3:a:doccano:auto_labeling_pipeline_module_to_annotate_a_document_automatically:*:*:*:*:*:*:*:*"], "modules": ["Bulk-Delete Endpoint"], "product": "Auto Labeling Pipeline Module to Annotate a Document Automatically", "vendor": "Doccano", "versions": [{"status": "affected", "version": "1.8.0"}, {"status": "affected", "version": "1.8.1"}, {"status": "affected", "version": "1.8.2"}, {"status": "affected", "version": "1.8.3"}, {"status": "affected", "version": "1.8.4"}, {"status": "affected", "version": "1.8.5"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A 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. 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