CVE-2026-12957
Published:June 23, 2026
Updated:June 29, 2026
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.
Affected Packages
@aws/lsp-codewhisperer (NPM):
Affected version(s) >=0.0.3 <0.0.113Fix Suggestion:
Update to version 0.0.113Related Resources (2)
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Contact UsCVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Incorrect Permission Assignment for Critical Resource
EPSS
Base Score:
0.12