Vulnerability Intelligence Report
Arbitrary file write in Language Servers for AWS
CVE-2026-12958
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.
No Active Exploit Signals
CVSS Base Score
8.5
HIGH
EPSS Probability:0.14%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-61 ↗CWE-61 UNIX symbolic link (symlink) following
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Amazon Web Services | Language Servers for AWS | 0 < 1.69.0 (affected) |
Threat Intelligence Signals
EPSS Score
0.142%
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Amazon · Vendor · USA |
| Reserved | 2026-06-23T01:55:37 |
| Published | 2026-06-23T16:03:01 |
| Last Updated | 2026-06-23T17:56:13 |
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