Medium severityGHSA Advisory· Published Feb 2, 2026· Updated Apr 15, 2026

CVE-2026-1770

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).

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
org.craftercms:craftercmsMaven	>= 4.0.0, < 4.5.0	4.5.0

Affected products

Craftercms/CraftercmsGHSA
Range: >= 4.0.0, < 4.5.0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/advisories/GHSA-gj28-gw7w-3pxcghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-1770ghsaADVISORY
docs.craftercms.org/current/security/advisory.htmlnvdWEB

News mentions

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cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000