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Critical, CVSS 9.1amended

Vendure affected by external-authentication account takeover: external login linked to a pre-existing account by email without verification

CVE-2026-63472GHSA-6j36-r6pr-59x4

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (@vendure/core 3.7.0), redeploy, then verify what is actually installed.

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

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
9.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
  • CVE-2026-63472: 0.59% estimated exploitation activity in the next 30 days; percentile 48.22 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

External-authentication account takeover: external login linked to a pre-existing account by email without requiring verification Package: @vendure/core (vendure-ecommerce/vendure, latest master) · [!IMPORTANT] This vulnerability only affects deployments that use external / social authentication (an AuthenticationStrategy other than the built-in native email/password strategy) where that strategy can return an email address the external provider has not verified the user owns. You are affected if all of these are true: - Your store configures one or more external AuthenticationStrategy implementations (custom OAuth / social login / SSO), and - At least one forwards an emailAddress to ExternalAuthenticationService without guaranteeing the provider verified ownership of it (e.g. it doesn't check the provider's emailverified claim, or leaves verified unset/false), and - Customer accounts exist that share an email address with those external identities. You are NOT affected if: - You use…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from ghsa record GHSA-6j36-r6pr-59x4

  2. Revision 2 · amended ·

    Amended from osv record GHSA-6j36-r6pr-59x4

  3. Revision 1 · created ·

    Published from ghsa record GHSA-6j36-r6pr-59x4

Agent brief

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# Patch Next advisory brief: CVE-2026-63472

Advisory: Vendure affected by external-authentication account takeover: external login linked to a pre-existing account by email without verification
IDs: CVE-2026-63472, GHSA-6j36-r6pr-59x4
Record: https://patchnext.com/advisories/cve-2026-63472 (revision 3, source checked 26 Oct 2026, 13:02 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: @vendure/core 3.7.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm @vendure/core: affected < 3.7.0; fixed in 3.7.0

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

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on @vendure/core.
- 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://github.com/advisories/GHSA-6j36-r6pr-59x4 (GitHub-reviewed advisory GHSA-6j36-r6pr-59x4 lists affected ranges: npm @vendure/core >=0 <3.7.0)
- Verified: https://osv.dev/vulnerability/GHSA-6j36-r6pr-59x4 (OSV record GHSA-6j36-r6pr-59x4 lists affected ranges: npm @vendure/core >=0 <3.7.0 (fixed))

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