EUVD-2026-48431
GHSA-7p56-cmc7-rq84
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Network-accessible, unauthenticated injection with no user interaction.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
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
AnalysisAI
Remote code execution in beetl 3.20.2 allows unauthenticated remote attackers to execute arbitrary code via the type.new function and property reflection. Public proof-of-concept exploit code exists, though EPSS exploitation probability is low (0.24%) and no active exploitation has been reported to CISA KEV.
Technical ContextAI
Beetl is a Java template engine. The vulnerability is a CWE-917 expression language injection, where the type.new function and property reflection mechanism can be misused to instantiate arbitrary Java classes and execute code. The affected product is version 3.20.2, as indicated in the CVE description and the referenced Gitee issue IJO1HM.
RemediationAI
No vendor-released patch is currently available; the vulnerability is tracked in Gitee issue IJO1HM (https://gitee.com/xiandafu/beetl/issues/IJO1HM). As an immediate mitigation, restrict template evaluation to trusted templates only and disable the type.new function and property reflection mechanisms if configurable. Deploying web application firewalls or application layer filtering to block malicious expressions can also reduce exposure, though this may not fully prevent bypasses. If beetl is used in a project, avoid processing user-supplied templates entirely until a fix is released.
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External POC / Exploit Code
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