Language Servers for AWS Vulnerable to Arbitrary Code Execution

[ Description ]Official description

Improper trust boundary enforcement in Language Servers for AWS before version 1.65.0 on all supported platforms may allow a for arbitrary code execution. If a local user opens a maliciously crafted workspace, any commands within the project configuration files may be automatically executed. This issue requires the user to trust the workspace when prompted. To remediate this issue, users should upgrade to Language Servers for AWS version 1.65.0 or higher.

[ Fixes ]Fixes and patches

• @aws/lsp-codewhisperer 0.0.113Fixed version · GitHub Advisories · npm package @aws/lsp-codewhisperer: upgrade to 0.0.113 or later (affected < 0.0.113)

[ Packages ]Affected open-source packages

• @aws/lsp-codewhisperer npmAffected < 0.0.113 · fixed in 0.0.113 · GHSA-xhcr-j4j9-3gh7

[ References ]References

• aws.amazon.com/security/security-bulletins/2026-047-awsvendor-advisory
• github.com/aws/language-servers/security/advisories/GHSA-xhcr-j4j9-3gh7third-party-advisory