8.2
HIGH CVSS 3.1
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
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.

INFO

Published Date :

Oct. 1, 2026, 6:17 p.m.

Last Modified :

Oct. 1, 2026, 8:36 p.m.

Remotely Exploit :

No

Source :

ff89ba41-3aa1-4d27-914a-91399e9639e5
Affected Products

The following products are affected by CVE-2026-97662 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH ff89ba41-3aa1-4d27-914a-91399e9639e5
CVSS 3.1 HIGH MITRE-CVE
CVSS 4.0 MEDIUM ff89ba41-3aa1-4d27-914a-91399e9639e5
CVSS 4.0 MEDIUM ff89ba41-3aa1-4d27-914a-91399e9639e5
Solution
Upgrade the security-agent-mcp-server to version 0.2.0 to fix arbitrary file operations.
  • Upgrade security-agent-mcp-server to version 0.2.0.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-97662.

URL Resource
https://aws.amazon.com/security/security-bulletins/2026-121-aws/
https://pypi.org/project/awslabs.security-agent-mcp-server/0.2.0/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-97662 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-97662 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-97662 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 01, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-97662', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-10-01T18:17:25.201242Z'}
  • New CVE Received by ff89ba41-3aa1-4d27-914a-91399e9639e5

    Oct. 01, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H
    Added CWE CWE-88
    Added CWE CWE-73
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/97xxx/CVE-2026-97662.json">CVE-2026-97662</a>
    Added Reference https://aws.amazon.com/security/security-bulletins/2026-121-aws/
    Added Reference https://pypi.org/project/awslabs.security-agent-mcp-server/0.2.0/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.