Insecure file permissions in the CodeCatalyst connection handler in AWS Toolkit for VS Code before 4.10.0 allowed local users to obtain CodeCatalyst bearer tokens via reading world-readable token cache files.



To mitigate this issue, users should upgrade to version 4.10.0 or later.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
aws aws-toolkit-vscode unaffected
Version Status Constraints
0 affected < 4.10.0

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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://aws.amazon.com/security/security-bulletins/2026-129-aws/ cve-icon cve-icon
https://github.com/aws/aws-toolkit-vscode/releases/tag/toolkit/v4.10.0 cve-icon cve-icon
History

Thu, 08 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
Description Insecure file permissions in the CodeCatalyst connection handler in AWS Toolkit for VS Code before 4.10.0 allowed local users to obtain CodeCatalyst bearer tokens via reading world-readable token cache files. To mitigate this issue, users should upgrade to version 4.10.0 or later.
Title Insecure Default File Permissions on Cached Credentials in AWS Toolkit for Visual Studio Code
First Time appeared Aws
Aws aws-toolkit-vscode
Weaknesses CWE-276
CWE-459
CPEs cpe:2.3:a:aws:aws-toolkit-vscode:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws aws-toolkit-vscode
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-10-08T19:03:57.640Z

Reserved: 2026-10-07T18:21:27.879Z

Link: CVE-2026-107332

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-08T18:17:19.443

Modified: 2026-10-08T20:17:32.017

Link: CVE-2026-107332

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T19:00:07Z

Weaknesses