GHSA-5644-3vgq-2ph5 — crafter-studio
Fix: craftercms/studio@471bbadGHSA-5644-3vgq-2ph5 is a CWE-913 vulnerability in org.craftercms:crafter-studio. A fix is available for org.craftercms:crafter-studio — see the affected versions and patch details below.
Crafter Studio Groovy Sandbox Bypass
Exploitation Status
No confirmed exploitation observed yet
- 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-5644-3vgq-2ph5.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
Real-World Exposure
org.craftercms:crafter-studioReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
Improper Control of Dynamically-Managed Code Resources vulnerability in Crafter Studio of CrafterCMS allows authenticated developers to execute OS commands via Groovy Sandbox Bypass.
By inserting malicious Groovy elements, an attacker may bypass Sandbox restrictions and obtain RCE (Remote Code Execution).
This issue affects CrafterCMS: from 4.0.0 through 4.2.2.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.craftercms:crafter-studio | ≥ 4.0.0&&< 4.3.0 | 4.3.0org.craftercms:crafter-studio:4.3.0 |
Affected Products
craftercmscraftercmsDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.craftercms:crafter-studio, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.craftercms:crafter-studio to 4.3.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-5644-3vgq-2ph5 is resolved across your whole dependency graph.
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
Is GHSA-5644-3vgq-2ph5 in your dependencies?
Find it across Maven, including transitive dependencies.