CVAT: Flawed authorization logic in endpoints related to lambda requests
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
CVAT is an open source interactive video and image annotation tool for computer vision. From 2.17.0 until 2.72.0, a user with the Worker role can use predictable task-based request IDs with the lambda request retrieve and destroy endpoints to view automatic annotation requests for tasks or jobs the user cannot access and cancel requests initiated by other users. This issue is fixed in version 2.72.0.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA cvat (cvat-ai) Fixed in 2.72.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-73221
References
More cvat-ai vulnerabilities
- TI-2021-20393 Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack KEVCVSS 3.1CRITICAL 9.0
- TI-2022-13228 Server-Side Request Forgery Vulnerability in Computer Vision Annotation Tool (CVAT) CVSS 3.1CRITICAL 9.8
- TI-2025-16854 CVAT allows remote code execution via tracker Nuclio functions CVSS 4.0HIGH 8.7
- TI-2026-51357 CVAT: Stored XSS via annotation guides in audio tasks CVSS 4.0HIGH 8.5
- TI-2026-46997 CVAT has stored XSS via annotation guide assets CVSS 4.0HIGH 8.5
- TI-2026-18950 CVAT vulnerable to privilege escalation of users with staff status CVSS 4.0HIGH 8.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences