EUVD-2026-76922
GHSA-x282-35xq-g9q7
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:X/R:X/V:X/RE:X/U:X
Authenticated network exploit yields unsandboxed Groovy RCE on host; PR:L for required job-creation privilege; S:C because executor process compromise escapes application boundary.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was determined in Xuxueli xxl-job up to 3.4.2. This affects the function GroovyClassLoader.parseClass of the file xxl-job-core/src/main/java/com/xxl/job/core/glue/GlueFactory.java. This manipulation causes code injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Remote code execution in Xuxueli xxl-job up to version 3.4.2 allows authenticated low-privileged users to execute arbitrary code on the executor host via the GLUE mode Groovy script handler in GlueFactory.java. The root cause is that GroovyClassLoader.parseClass processes attacker-supplied Groovy source directly, compiling and running it without a restrictive sandbox. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid xxl-job account with sufficient privileges to create or modify jobs configured in GLUE execution mode (low-privilege authenticated access; CVSS PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The official CVSS 4.0 score of 5.3 with VC:L/VI:L/VA:L significantly understates the realistic technical impact; arbitrary Groovy execution without a sandbox equates to full OS-level code execution on the executor process, which is more accurately C:H/I:H/A:H. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been identified at time of analysis; the vendor did not respond to disclosure. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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