HIGHCVSS 8.5EPSS 0.2%

CVE-2026-12958

CVE-2026-12958 updated by NVD

Published: 2026-09-24
Modified: 2026-10-28
EPSS percentile: 8%
Sources: github-advisory, nvd

Summary

Missing symlink validation in Language Servers for AWS may allow an arbitrary file write outside of the workspace trust boundary. This may occur when a local user opens a workspace with a maliciously crafted symlink that resolves to a file path outside the workspace trust boundary. To remediate this issue, users should upgrade to version 1.69.0 or higher.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
npm	@aws/lsp-codewhisperer	—	0.0.117

Remediation: Upgrade to 0.0.117 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-12958

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.