CVE-2026-1770

4.5 mediumEPSS 0.5%

Medium (4.5). EPSS 0.5% chance of exploitation in the next 30 days. Fixed in org.craftercms:craftercms 4.5.0.

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).

Severity

CVSS 4.0

4.5 medium

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/AU:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
CWE: CWE-913
Published: 2026-02-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-gj28-gw7w-3pxc	Maven	org.craftercms:craftercms	>=4.0.0 <4.5.0	4.5.0

References

https://docs.craftercms.org/current/security/advisory.html#cv-2026020201

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