CVE-2026-12958 | Missing symlink validation in Language Servers for AWS may a… | CVSS 7.8 HIGH

Description

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.

Metadata

CVE ID: CVE-2026-12958
State: PUBLISHED
Assigner: AMZN
Reserved: 2026-06-23 01:55 UTC
Published: 2026-06-23 16:03 UTC
Last updated: 2026-06-23 17:56 UTC
Primary CWE: CWE-61
CWE-61 UNIX symbolic link (symlink) following
Vendor / Product: Amazon Web Services / Language Servers for AWS
Sources: cve.org · NVD

Severity & Metrics

7.8 HIGH CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Amazon Web Services	Language Servers for AWS	—	0 < 1.69.0

Weakness (CWE)

CWE	Source	Description
CWE-61	cna	CWE-61 UNIX symbolic link (symlink) following

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.5	HIGH	4.0	cna	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8	HIGH	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References (2)