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MEDIUM severity

CVE-2016-7572 — core

MEDIUM

CVE-2016-7572 is a medium-severity (CVSS 4.3) CWE-264 vulnerability in drupal/core. A fix is available for drupal/core — see the affected versions and patch details below.

Drupal Unprivileged access to config export

Also known asGHSA-fmqh-2j2x-vgp3
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs77th percentile — riskier than 77% of all scored CVEsHighest risk
0.00%0.74%1.48%2.22%0.3%1.7%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected
🐘drupal/core🐘drupal/drupal

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

The system.temporary route in Drupal 8.x before 8.1.10 does not properly check for "Export configuration" permission, which allows remote authenticated users to bypass intended access restrictions and read a full config export via unspecified vectors.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistdrupal/core≥ 8.0&&< 8.1.108.1.10composer require drupal/core:^8.1.10
🐘Packagistdrupal/drupal≥ 8.0&&< 8.1.108.1.10composer require drupal/drupal:^8.1.10

Affected Products

1 product · 52 configurations
Application
drupaldrupal
17 versions
8.0.08.0.18.0.28.0.38.0.48.0.58.0.68.1.08.1.18.1.28.1.38.1.4

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for drupal/core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update drupal/core to 8.1.10 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-7572 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

The system.temporary route in Drupal 8.x before 8.1.10 does not properly check for "Export configuration" permission, which allows remote authenticated users to bypass intended access restrictions and read a full config export via unspecified vectors.
O3 Security · Impact-Aware SCA

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CVE-2016-7572: core — Fixed in 8.1.10