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CVE-2026-97662— Argument injection in the diff scan operation in AWS security-agent-mcp-server allows arbitrary host file creation, overwrite, and truncation outside the intended workspace

Quick assessment

Affected
AWS security-agent-mcp-server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AWS security-agent-mcp-server 在 0.2.0 版本之前，其 diff scan（差异扫描）操作中存在参数注入漏洞。该漏洞可能允许上下文相关的威胁行为者通过向 diff scan 操作提供精心构造的引用值，在主机上创建、覆盖或截断目标工作区目录之外的任意文件。 为修复此问题，用户应升级至 0.2.0 版本。

CVSS 8.2 · High EPSS 0.14% · P3

Affected Version Matrix 1

VendorProduct Version RangeStatus
AWS security-agent-mcp-server 0.1.1< 0.2.0 affected
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I. Basic Information for CVE-2026-97662

Vulnerability Information
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Vulnerability Title
Argument injection in the diff scan operation in AWS security-agent-mcp-server allows arbitrary host file creation, overwrite, and truncation outside the intended workspace
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
参数注入或修改
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
AWS security-agent-mcp-server 0.1.1 ~ 0.2.0 -

II. Public POCs for CVE-2026-97662

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III. Intelligence Information for CVE-2026-97662

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Vendor Advisories for CVE-2026-97662 (1)

Other References for CVE-2026-97662 (1)

Same Patch Batch · AWS · 2026-10-01 · 3 CVEs total

CVE-2026-103505 6.5 MEDIUM AWS EFS CSI Driver Mount Option Injection via mounttargetipmap
CVE-2026-104002 5.3 MEDIUM Fail-open error handling in the data masking utility in Powertools for AWS Lambda (Python)

IV. Related Vulnerabilities

Same vendor: AWS
Same weakness: CWE-88

V. Comments for CVE-2026-97662

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