Pimcore Web2Print Tools Bundle "Favourite Output Channel Configuration" Missing Function Level Authorization

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS

5.4 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

• CVE-2026-23496: 0.29% estimated exploitation activity in the next 30 days; percentile 21.37 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Summary The application fails to enforce proper server-side authorization checks on the API endpoint responsible for managing "Favourite Output Channel Configurations." Testing revealed that an authenticated backend user without explicitely lacking permissions for this feature was still able to successfully invoke the endpoint and modify or retrieve these configurations. This violates the principle of least privilege and constitutes a classic example of Broken Access Control (OWASP Top 10 A01:2021). Because authorization is not validated at the function level, any authenticated user can perform actions intended only for privileged roles, leading to horizontal or vertical privilege escalation. Detail The backend user without permission was still able to list, create, update "Favourite Output Channel Configuration" item Step to Reproduce the issue login as Admin (full permission) and clicked "Favourite Output Channel Configurations" <img width="949" height="860" alt="Screenshot…

Published by the source

15 Jan 2026, 18:14 UTC

Last modified by the source

15 Jan 2026, 20:18 UTC

Source last checked

26 Oct 2026, 14:35 UTC

1. Revision 1 · created · 26 Oct 2026

   Published from ghsa record GHSA-4wg4-p27p-5q2r

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# Patch Next advisory brief: CVE-2026-23496

Advisory: Pimcore Web2Print Tools Bundle "Favourite Output Channel Configuration" Missing Function Level Authorization
IDs: CVE-2026-23496, GHSA-4wg4-p27p-5q2r
Record: https://patchnext.com/advisories/cve-2026-23496 (revision 1, source checked 26 Oct 2026, 14:35 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 5.4)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: pimcore/web2print-tools-bundle 6.1.1, 5.2.2. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist pimcore/web2print-tools-bundle: affected >= 6.0.0-RC1, <= 6.1; <= 5.2.1; fixed in 5.2.2, 6.1.1

## Suggested inspection (read-only)
- Packagist pimcore/web2print-tools-bundle: check the installed version with your package manager.

## 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 pimcore/web2print-tools-bundle.
- 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-4wg4-p27p-5q2r (GitHub-reviewed advisory GHSA-4wg4-p27p-5q2r lists affected ranges: Packagist pimcore/web2print-tools-bundle >=6.0.0-RC1 =0 <=5.2.1)

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