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Medium, CVSS 4.3

Information Disclosure in TYPO3 CMS

GHSA-g46h-v2cc-6c94

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (typo3/cms 8.7.5, 7.6.22), 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

  • Packagist typo3/cms

    Affected
    >= 7.6.0, < 7.6.22>= 8.0.0, < 8.7.5
    Fixed in
    7.6.22, 8.7.5

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
4.3 · CVSS:3.1/AV:N/AC:L/PR:L/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.

Failing to properly check user permission on file storages, editors could gain knowledge of protected storages and its folders as well as using them in a file collection being rendered in the frontend. A valid backend user account is needed to exploit this vulnerability.

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

    Published from ghsa record GHSA-g46h-v2cc-6c94

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-g46h-v2cc-6c94

Advisory: Information Disclosure in TYPO3 CMS
IDs: GHSA-g46h-v2cc-6c94
Record: https://patchnext.com/advisories/ghsa-g46h-v2cc-6c94 (revision 1, source checked 26 Oct 2026, 14:25 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 4.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: typo3/cms 8.7.5, 7.6.22. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist typo3/cms: affected >= 7.6.0, < 7.6.22; >= 8.0.0, < 8.7.5; fixed in 7.6.22, 8.7.5

## Suggested inspection (read-only)
- Packagist typo3/cms: 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 typo3/cms.
- 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-g46h-v2cc-6c94 (GitHub-reviewed advisory GHSA-g46h-v2cc-6c94 lists affected ranges: Packagist typo3/cms >=7.6.0 =8.0.0 <8.7.5)

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