Medium severity · published Feb 2, 2026
CVE-2026-1770
Improper Control of Dynamically-Managed Code Resources in Crafter Studio
4.5
CVSS
0.5%
EPSS
No
On KEV
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).
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
CrafterCMS · CrafterCMS
4.0.0 before 4.5.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1770
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1770
docs.craftercms.org
https://docs.craftercms.org/current/security/advisory.html#cv-2026020201
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