PT-2026-51547 · Amazon Web Services · Language Servers For Aws

Published 2026-06-23 · Updated 2026-06-23 · CVE-2026-12957

Mitre

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Fix

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2026-12957

Affected Products

Language Servers For Aws

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-12957 · Security Note
• https://aws.amazon.com/security/security-bulletins/2026-047-aws · Vendor Advisory
• https://github.com/aws/language-servers/security/advisories/GHSA-xhcr-j4j9-3gh7 · Note