CVAT: Stored XSS via annotation guides
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-80.
Summary
CVAT is an open source interactive video and image annotation tool for computer vision. From 2.5.0 to 2.63.0, an attacker who is able to create or edit an annotation guide on a task is able to add malicious JavaScript code, which will then run in the browser of anyone who opens this annotation guide. This code will be able to make arbitrary requests to CVAT with the victim user's privileges. This vulnerability is fixed in 2.64.0.
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 2.64.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44369
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