Vulnerability · Published Oct 1, 2026 · Assigned by AMZN
CVE-2026-97662Argument injection in the diff scan operation in AWS security-agent-mcp-server allows arbitrary host file creation, overwrite, and truncation outside the intended workspace
High 8.2
In plain English
A high-severity argument injection in security-agent-mcp-server from AWS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AWS | security-agent-mcp-server | 0.1.1 – before 0.2.0 |
Weakness: CWE-88, CWE-73 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H