CVE-2026-12957
CVE-2026-12957
8.5
HighPublished:
Source:ff89ba41-3aa1-4d27-914a-91399e9639e5
Awaiting Analysis
Weakness (CWE)
CVSS Vector
v4.0- Attack Vector
- Local
- Attack Complexity
- Low
- Attack Requirements
- None
- Privileges Required
- None
- User Interaction
- Passive
- Confidentiality (Vulnerable)
- High
- Integrity (Vulnerable)
- High
- Availability (Vulnerable)
- High
- Confidentiality (Subsequent)
- None
- Integrity (Subsequent)
- None
- Availability (Subsequent)
- None
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.
References
ff89ba41-3aa1-4d27-914a-91399e9639e5
https://aws.amazon.com/security/security-bulletins/2026-047-aws/ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/aws/language-servers/security/advisories/GHSA-xhcr-j4j9-3gh7