CVE-2026-12957

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/security/security-bulletins/2026-047-aws/
https://github.com/aws/language-servers/security/advisories/GHSA-xhcr-j4j9-3gh7

Configurations

No configuration.

History

23 Jun 2026, 18:17

Type	Values Removed	Values Added
References		() https://github.com/aws/language-servers/security/advisories/GHSA-xhcr-j4j9-3gh7 -

23 Jun 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-23 17:16

Updated : 2026-06-23 19:36

NVD link : CVE-2026-12957

Mitre link : CVE-2026-12957

CVE.ORG link : CVE-2026-12957

JSON object : View

Products Affected

No product.

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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