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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| aws | aws-toolkit-vscode | < 4.10.0 | 4.10.0 |
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