Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-82834
Doccano Open Source Annotation Tools for Machine Learning Practitioners Bulk-Delete Endpoint category-types LabelList access control
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N N L L 2.1 .0038 29.7 —
AFFECTED
Product Versions Fixed
Open Source Annotation Tools for Machine Learning Practitioners 1.8.0 – —
Auto Labeling Pipeline Module to Annotate a Document Automatically 1.8.0 – —
TIMELINE
Aug 31 Reserved by VulDB
Aug 31 Published (CNA: VulDB)
Sep 2 EXPLOIT PUBLISHED — CVE-2026-82834 (Doccano Open Source Annotation Tools for Machine Learning Practitioners). Public exploit reference added.
Description
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 31, 2026 | Reserved | Reserved by VulDB |
| August 31, 2026 | Published | Published (CNA: VulDB) |
| September 2, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-82834 (Doccano Open Source Annotation Tools for Machine Learning Practitioners). Public exploit reference added. |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Doccano | Open Source Annotation Tools for Machine Learning Practitioners | — | 1.8.0 | — |
| Doccano | Auto Labeling Pipeline Module to Annotate a Document Automatically | — | 1.8.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-82834 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
