CVE-2026-52439 Details
Description
An issue in xiandafu beetl 3.20.2 allows a remote attacker to execute arbitrary code via the type.new function and the property reflection mechanism
A remote code execution vulnerability exists in Xiandafu Beetl template engine version 3.20.2. The issue arises from an expression language injection vulnerability that can be exploited by bypassing the default security configuration that disallows native method calls. The vulnerability allows attackers to use the 'type.new' function to instantiate arbitrary classes and execute code by manipulating property accessors.
Users can upgrade to Xiandafu Beetl version 3.21.2 or later, where this vulnerability has been addressed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 23, 2026CISA-ADP
Assessed Jul 24, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gitee.com/xiandafu/beetl/issues/IJO1HM | CISA-ADP | ExploitIssue TrackingTechnical DescriptionVendor |
| https://gitee.com/xiandafu/beetl | [email protected] | ProductVendor |
| https://gitee.com/xiandafu/beetl/issues/IJO1HM | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-917 | Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| xiandafu beetl | <= 3.20.2 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Modified | CISA-ADP |
| Jul 23, 2026 | New CVE Received | [email protected] |