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Low, CVSS 3.7amended

JavaScript SDK v2 users should add validation to the region parameter value in or migrate to v3

GHSA-j965-2qgj-vjmq

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • npm aws-sdk

    Affected
    >= 2.0.0, <= 3.0.0
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
3.7 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

CVSSv3.1 Rating: 3.7 (LOW) Summary This notification is related to the use of specific values for the region input field when calling AWS services. An actor with access to the environment in which the SDK is used could set the region input field to an invalid value. Per the AWS shared responsibility model, customer applications should protect instances appropriately, or implement proper input sanitization checks. The AWS SDK for JavaScript v2 reached end-of-support on September 8, 2025, but a defense-in-depth enhancement has been implemented in AWS SDK for JavaScript v3. Please migrate to that version. Impact Customer applications could be configured to improperly route AWS API calls to non-existent or non-AWS hosts. While the SDK itself is functioning as designed, we recommend customers migrate to AWS SDK for JavaScript v3 for continued support and enhanced security features. Impacted versions: All versions of AWS SDK for JavaScript v2 Patches No security patch is required, this is…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-j965-2qgj-vjmq

  2. Revision 1 · created ·

    Published from osv record GHSA-j965-2qgj-vjmq

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: GHSA-j965-2qgj-vjmq

Advisory: JavaScript SDK v2 users should add validation to the region parameter value in or migrate to v3
IDs: GHSA-j965-2qgj-vjmq
Record: https://patchnext.com/advisories/ghsa-j965-2qgj-vjmq (revision 2, source checked 26 Oct 2026, 12:41 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Low (CVSS 3.7)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm aws-sdk: affected >= 2.0.0, <= 3.0.0

## Suggested inspection (read-only)
- `npm ls aws-sdk --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on aws-sdk.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-j965-2qgj-vjmq (OSV record GHSA-j965-2qgj-vjmq lists affected ranges: npm aws-sdk >=2.0.0 <=3.0.0)
- Verified: https://github.com/advisories/GHSA-j965-2qgj-vjmq (GitHub-reviewed advisory GHSA-j965-2qgj-vjmq lists affected ranges: npm aws-sdk >=2.0.0 <=3.0.0)

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