# CVE-2025-62449: Microsoft Visual Studio Code CoPilot Chat Extension Security Feature Bypass Vulnerability

> An authorized attacker can bypass security features in the VS Code Copilot Chat Extension via path traversal.

- **Severity:** Medium 6.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 11 Nov 2025
- **Updated:** 13 Feb 2026
- **Also known as:** GHSA-mc3j-5pr5-wj7r

## What is CVE-2025-62449?

CVE-2025-62449 is a medium-severity vulnerability in Microsoft Visual Studio Code CoPilot Chat Extension, published on 11 Nov 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code CoPilot Chat Extension allows an authorized attacker to bypass a security feature locally.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2025-62449?

It affects 1 product.


Products: Microsoft Github Copilot Chat.

## How do I fix CVE-2025-62449?

No fix has been published for CVE-2025-62449 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-62449 being exploited?

There is no known exploitation of CVE-2025-62449 in the wild and no public exploit code.

## Other vulnerabilities in Microsoft Visual Studio Code CoPilot Chat Extension

- [CVE-2025-62222](https://insights.sbomify.com/CVE-2025-62222/): Agentic AI and Visual Studio Code Remote Code Execution Vulnerability (high 8.8)
- [CVE-2026-65675](https://insights.sbomify.com/CVE-2026-65675/): CoPilot Chat Security Feature Bypass Vulnerability (high 7.1)
- [CVE-2026-50519](https://insights.sbomify.com/CVE-2026-50519/): Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability (medium 6.5)
- [CVE-2026-23653](https://insights.sbomify.com/CVE-2026-23653/): GitHub Copilot and Visual Studio Code Information Disclosure Vulnerability (medium 5.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-62449 and fix it if it is affected.

What it is: CVE-2025-62449 is a medium-severity vulnerability in Microsoft Visual Studio Code CoPilot Chat Extension, published on 11 Nov 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-62449 in the wild and no public exploit code.

Affected product: Microsoft Visual Studio Code CoPilot Chat Extension. 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-2025-62449/ (Markdown: https://insights.sbomify.com/CVE-2025-62449/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-62449
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-62449
- OSV: https://osv.dev/vulnerability/CVE-2025-62449

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-62449/
Summaries are generated and may contain mistakes; the official description above is the record.