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).
CVE-2026-1770
This medium-severity CVE scores 4.5 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 65% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.5
- EG Score
- 4.5(medium)
- EG Risk
- 20(Track)EG Risk 20/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity45% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 35%
- KEV
- Not listed
Published
February 2, 2026
Last Modified
June 17, 2026
References (1)
- security@craftersoftwarehttps://docs.craftercms.org/current/security/advisory.html#cv-2026020201
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.craftercms:craftercms | 4.0.0 ... 4.3.2 (20 versions) | 4.5.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 114 total refreshes for this CVE.
- 2026-07-27 14:13 UTCEPSS rescore
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Related CVEs(same CWE)
Same CWE
10 shownCWE-913
- CVE-2026-53753EG 10.0CRITICAL
- CVE-2026-47137EG 10.0CRITICAL
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- CVE-2026-23830EG 10.0CRITICAL
- CVE-2023-29017EG 10.0EPSS p99CRITICAL
- CVE-2022-36067EG 10.0EPSS p99CRITICAL
- CVE-2026-34156EG 9.9EPSS p98CRITICAL
- CVE-2026-25049EG 9.9CRITICAL
- CVE-2025-68613EG 9.9 KEVEPSS p100CRITICAL
Frequently asked(5)
What is CVE-2026-1770?
When was CVE-2026-1770 disclosed?
Is CVE-2026-1770 actively exploited?
What is the CVSS score of CVE-2026-1770?
How do I remediate CVE-2026-1770?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-1770
Is Your Infrastructure Affected by CVE-2026-1770?
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