CVE-2026-1770
Crafter CMS has Improper Control of Dynamically-Managed Code Resources
EPSS 0.04%
Description
Improper Control of Dynamically-Managed Code Resources vulnerability in Crafter Studio of Crafter CMS 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).
How to fix CVE-2026-1770
To remediate CVE-2026-1770, upgrade the affected package to a fixed version below.
- Maven/org.craftercms:craftercms—upgrade to 4.5.0 or later
Is CVE-2026-1770 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 4.0.0, < 4.5.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H/E:U |