Vulnerability · Published Oct 8, 2026 · Assigned by AMZN
CVE-2026-107332Insecure Default File Permissions on Cached Credentials in AWS Toolkit for Visual Studio Code
Medium 5.5
In plain English
A medium-severity incorrect default permissions in aws-toolkit-vscode 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 1% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 98.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| aws | aws-toolkit-vscode | 0 – before 4.10.0 |
Weakness: CWE-276, CWE-459 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://github.com/aws/aws-toolkit-vscode/releases/tag/toolkit/v4.10.0 patch, release-notes
- https://aws.amazon.com/security/security-bulletins/2026-129-aws/ vendor-advisory
- https://github.com/aws/aws-toolkit-vscode/security/advisories/GHSA-9g5j-qgqm-857j third-party-advisory