# CVE-2026-44369: CVAT: Stored XSS via annotation guides

> Attackers can inject malicious JavaScript into annotation guides, executing code in victims' browsers to perform actions with their privileges.

- **Severity:** High 8.5 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 May 2026
- **Updated:** 15 May 2026
- **Also known as:** GHSA-m2h7-6xqm-p9v5

## What is CVE-2026-44369?

CVE-2026-44369 is a high-severity cross-site scripting vulnerability in cvat-ai cvat, published on 13 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

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.

Weakness: CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page)

## Which versions are affected by CVE-2026-44369?


## How do I fix CVE-2026-44369?

No fix has been published for CVE-2026-44369 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-44369 being exploited?

There is no known exploitation of CVE-2026-44369 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-44369 and fix it if it is affected.

What it is: CVE-2026-44369 is a high-severity cross-site scripting vulnerability in cvat-ai cvat, published on 13 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-44369 in the wild and no public exploit code.

Affected product: cvat-ai cvat. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-44369/ (Markdown: https://insights.sbomify.com/CVE-2026-44369/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-44369
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-44369
- OSV: https://osv.dev/vulnerability/CVE-2026-44369

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-44369/
Summaries are generated and may contain mistakes; the official description above is the record.