# CVE-2026-97662: Path traversal in security-agent-mcp-server

> Attackers can create, overwrite, or truncate arbitrary host files outside the workspace via argument injection in the diff scan operation.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 1 Oct 2026
- **Updated:** 9 Oct 2026

## What is CVE-2026-97662?

CVE-2026-97662 is a medium-severity path traversal vulnerability in AWS security-agent-mcp-server, published on 1 Oct 2026. 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

An argument injection issue in the diff scan operation in AWS security-agent-mcp-server before version 0.2.0 might allow context-dependent threat actors to create, overwrite, or truncate arbitrary files on the host outside the intended workspace directory via a crafted reference value supplied to the diff scan operation.

To remediate this issue, users should upgrade to version 0.2.0.

Weakness: CWE-88 (Improper Neutralization of Argument Delimiters in a Command), CWE-73 (External Control of File Name or Path)

## Which versions are affected by CVE-2026-97662?


## How do I fix CVE-2026-97662?

No fix has been published for CVE-2026-97662 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-97662 being exploited?

There is no known exploitation of CVE-2026-97662 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-97662 and fix it if it is affected.

What it is: CVE-2026-97662 is a medium-severity path traversal vulnerability in AWS security-agent-mcp-server, published on 1 Oct 2026. 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-2026-97662 in the wild and no public exploit code.

Affected product: AWS security-agent-mcp-server. 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-2026-97662/ (Markdown: https://insights.sbomify.com/CVE-2026-97662/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-97662
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-97662
- OSV: https://osv.dev/vulnerability/CVE-2026-97662

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-97662/
Summaries are generated and may contain mistakes; the official description above is the record.