# CVE-2025-8217 — Amazon Q Developer VS Code Extension

> As of 2025-10-14, CVE-2025-8217 is a MEDIUM-severity vulnerability in Amazon Q Developer VS Code Extension, CVSS v3.1 4, EPSS 0.2% (9.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-8217, most recently “OWASP GenAI LLM Top 10 2026 — Community-Driven Security Guidance for AI Applications”.

**Last updated:** 2025-10-14

## What is CVE-2025-8217?

The Amazon Q Developer Visual Studio Code (VS Code) extension v1.84.0 contains inert, injected code designed to call the Q Developer CLI. The code executes when the extension is launched within the VS Code environment; however the injected code contains a syntax error which prevents it from making a successful API call to the Q Developer CLI. To mitigate this issue, users should upgrade to version v1.85.0. All installations of v1.84.0 should be removed from use.

The record classifies CVE-2025-8217 under weakness class [CWE-506](https://intel.threadlinqs.com/cwe/CWE-506). Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 437 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4 — MEDIUM (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **CVSS v4.0 base score:** 5.1 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/U:Amber`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 9.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2025-07-30, last modified 2025-10-14

## Is CVE-2025-8217 being exploited?

Weaponised exploit code for CVE-2025-8217 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 15 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2025/CVE-2025-8217.md) (trickest)

## Affected products and versions

- **Amazon**: Q Developer VS Code Extension

## How to fix CVE-2025-8217

No vendor patch reference has been recorded for CVE-2025-8217 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2025-8217

1 tracked threat in the Threadlinqs corpus references CVE-2025-8217, either in the campaign’s CVE list or as an indicator on the campaign record.

- [OWASP GenAI LLM Top 10 2026 — Community-Driven Security Guidance for AI Applications](https://intel.threadlinqs.com/threat/TL-2026-1913) — MEDIUM · 2026-08-06

## Sources

Enriched from CVE.org, FIRST EPSS, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-10.

**Vendor advisory and patch**

- [aws.amazon.com — vendor advisory](https://aws.amazon.com/security/security-bulletins/AWS-2025-015/)
- [github.com — patch](https://github.com/aws/aws-toolkit-vscode/releases/tag/amazonq%2Fv1.85.0)

**Third-party advisory**

- [github.com — third party advisory](https://github.com/aws/aws-toolkit-vscode/security/advisories/GHSA-7g7f-ff96-5gcw)

Canonical: https://intel.threadlinqs.com/cve/CVE-2025-8217
Full detection coverage and IOCs for threats exploiting CVE-2025-8217 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp