CVE-2026-1770

Name: CVE-2026-1770
Creator: NVD / NIST
Published: 2026-02-02T17:16:17.643+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.5/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2026-1770 is a medium-severity vulnerability rated 4.5/10 on the CVSS scale. 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).. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 4.0

4.5/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:X/V:X/RE:X/U:X

EPSS Probability

0.43%

34.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-913

References

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

Timeline

Published: Feb 2, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-1770?

How severe is CVE-2026-1770?

CVE-2026-1770 has a CVSS score of 4.5/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1770?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1770?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST