Auth bypass in Cvat Computer Vision Annotation Tool
CVE-2026-58373
CVAT before 2.69.0 contains an improper authorization vulnerability in QualityReportViewSet.get_queryset that allows authenticated attackers to enumerate quality report identifiers belonging to other organizations by exploiting a missing check_object_permissions call on the parent_id query parameter of the quality reports API endpoint. Attackers can send requests with sequential integer parent_id values and distinguish between existing and non-existing reports via HTTP 500 versus HTTP 404 response differences, disclosing cross-organization report existence without returning report content.
Vulnerability class: Broken Access Control
EPSS: 0.002 (10.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Cvat Computer_vision_annotation_tool
- Cvat-ai Cvat — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (release-notes, Release Notes)
- disclosure@vulncheck.com (issue-tracking, Patch, Issue Tracking)
- disclosure@vulncheck.com (Patch, patch)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-58373?
- CVE-2026-58373 is a medium-severity vulnerability in Cvat Computer Vision Annotation Tool, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-06-30.
- How severe is CVE-2026-58373?
- Medium severity. CVSS v3 base score is 4.3 out of 10.