EUVD-2026-76921
GHSA-w26j-6rp4-vhj5
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
Network-accessible endpoint requires low-privilege session; impact is read-only access to executor group config with no integrity or availability consequence.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was found in Xuxueli xxl-job up to 3.4.2. Affected by this issue is some unknown functionality of the file xxl-job-admin/src/main/java/com/xxl/job/admin/business/controller/JobGroupController.java. The manipulation results in improper privilege management. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Improper privilege management in xxl-job admin up to version 3.4.2 exposes the loadById endpoint of JobGroupController.java to unauthorized access by low-privileged authenticated users, leaking executor group configuration data. The vulnerability resides in the admin web interface's job group management controller and allows users who should lack access to read job group details via direct endpoint calls. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated session in the xxl-job admin web interface - the CVSS PR:L metric indicates at least low-privilege credentials are needed, though the POC title ('Missing Authentication') suggests the endpoint may not verify role or ownership. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 2.1 (AV:N/AC:L/AT:N/PR:L/UI:N/VC:L) correctly categorizes this as low-severity - the impact is limited to confidentiality of executor group configuration data with no integrity or availability consequences. … 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 the disclosure. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today