Drupal core allows Object InjectionGHSA-m6vv-vcj8-w8m7
MEDIUMGHSA-m6vv-vcj8-w8m7 is a medium-severity (CVSS 5.9) CWE-915 vulnerability in drupal/core. A fix is available for drupal/core — see the affected versions and patch details below.
Exploitation Status
No confirmed exploitation observed yet
- A successful exploit gives an attacker total control of the affected component, not partial access.
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for GHSA-m6vv-vcj8-w8m7.
EPSS Exploitation Probability
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
drupal/core🐘drupal/core🐘drupal/core🐘drupal/coreReal-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
Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allows Object Injection. This issue affects Drupal core: from 8.0.0 before 10.4.9, from 10.5.0 before 10.5.6, from 11.0.0 before 11.1.9, from 11.2.0 before 11.2.8.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | drupal/core | ≥ 8.0.0&&< 10.4.9 | 10.4.9composer require drupal/core:^10.4.9 |
| 🐘Packagist | drupal/core | ≥ 10.5.0&&< 10.5.6 | 10.5.6composer require drupal/core:^10.5.6 |
| 🐘Packagist | drupal/core | ≥ 11.0.0&&< 11.1.9 | 11.1.9composer require drupal/core:^11.1.9 |
| 🐘Packagist | drupal/core | ≥ 11.2.0&&< 11.2.8 | 11.2.8composer require drupal/core:^11.2.8 |
Affected Products
drupaldrupalDetection & mitigation playbook
Open-source dependencyDetect
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.
Fix
Update drupal/core to 10.4.9 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-m6vv-vcj8-w8m7 is resolved across your whole dependency graph.
Workarounds
Do not deserialise data from untrusted sources: where the format allows it, restrict deserialisation to an explicit allowlist of expected types, and prefer a data-only format (JSON, Protobuf) over one that can reconstruct arbitrary objects until you can upgrade.
Frequently Asked Questions
Is GHSA-m6vv-vcj8-w8m7 in your dependencies?
Find it across Packagist, including transitive dependencies.