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High, CVSS 7.5amended

Vendure: Unauthenticated ReDoS via regex filter on SQLite backends

CVE-2026-63460GHSA-jgm3-qmp2-c4p7

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (@vendure/core 3.6.5), 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
7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
  • CVE-2026-63460: 0.61% estimated exploitation activity in the next 30 days; percentile 49.22 (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.

Summary [!IMPORTANT] Only instances running on the SQLite driver (better-sqlite3) are affected; SQLite is usually used in development/testing backend, so production deployments on PostgreSQL or MySQL/MariaDB are unaffected. The StringOperators.regex filter exposed on the public Shop GraphQL API is evaluated inside the Node.js event loop via a synchronous SQLite user-defined function (UDF). Supplying a catastrophically backtracking pattern blocks the entire event loop, causing a complete denial of service with no authentication required. --- Details Vendure registers a JavaScript UDF so that SQLite can handle the REGEXP operator: packages/core/src/service/helpers/list-query-builder/list-query-builder.ts lines 917–931 The pattern argument is the raw value of StringOperators.regex submitted by the caller. No length limit, timeout, or safe-regex validation is applied before constructing new RegExp(pattern). packages/core/src/service/helpers/list-query-builder/parse-filter-params.ts lines…

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

    Amended from ghsa record GHSA-jgm3-qmp2-c4p7

  2. Revision 2 · amended ·

    Amended from osv record GHSA-jgm3-qmp2-c4p7

  3. Revision 1 · created ·

    Published from ghsa record GHSA-jgm3-qmp2-c4p7

Agent brief

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# Patch Next advisory brief: CVE-2026-63460

Advisory: Vendure: Unauthenticated ReDoS via `regex` filter on SQLite backends
IDs: CVE-2026-63460, GHSA-jgm3-qmp2-c4p7
Record: https://patchnext.com/advisories/cve-2026-63460 (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: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: @vendure/core 3.6.5. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm @vendure/core: affected <= 3.6.4; fixed in 3.6.5

## 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-jgm3-qmp2-c4p7 (GitHub-reviewed advisory GHSA-jgm3-qmp2-c4p7 lists affected ranges: npm @vendure/core >=0 <=3.6.4)
- Verified: https://osv.dev/vulnerability/GHSA-jgm3-qmp2-c4p7 (OSV record GHSA-jgm3-qmp2-c4p7 lists affected ranges: npm @vendure/core >=0 <3.6.5 (fixed))

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