CVE-2026-52371

Received Received - Intake

SSRF in xxl-job v3.4.0 via Jobinfo Trigger

Publication date: 2026-07-31

Last updated on: 2026-08-03

Assigner: MITRE

Description

A Server-Side Request Forgery (SSRF) in the xxl-job-admin/jobinfo/trigger component of xxl-job v3.4.0 allows authenticated attackers to scan resources via supplying a crafted HTTP request.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-31

Last Modified

2026-08-03

Generated

2026-08-21

AI Q&A

2026-08-01

EPSS Evaluated

2026-08-20

NVD

CVE-2026-52371

EUVD

EUVD-2026-51656

Affected Vendors & Products

Vendor	Product	Version / Range
xxl-job	xxl-job	3.4.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-918	The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Attack-Flow Graph

Executive Summary

This is a Server-Side Request Forgery (SSRF) vulnerability in the xxl-job-admin/jobinfo/trigger component of xxl-job version 3.4.0. It allows authenticated attackers to scan internal or external resources by sending a specially crafted HTTP request.

Detection Guidance

To detect this SSRF vulnerability in xxl-job v3.4.0, monitor network traffic for unusual outbound requests from the xxl-job-admin component. Check logs for suspicious HTTP requests to internal or external resources triggered via the /xxl-job-admin/jobinfo/trigger endpoint. Use tools like tcpdump or Wireshark to capture outbound connections originating from the application server.

Impact Analysis

An attacker could exploit this to access internal systems, bypass firewalls, or scan other network resources. This may lead to unauthorized data exposure, service disruption, or further attacks on connected systems.

Compliance Impact

SSRF vulnerabilities can lead to unauthorized data access or exfiltration, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance violations, fines, or reputational damage if such breaches occur.

Mitigation Strategies

Upgrade xxl-job to a version that patches the SSRF vulnerability in the xxl-job-admin/jobinfo/trigger component. If upgrading is not possible, restrict network access to the vulnerable endpoint and implement strict input validation for HTTP requests.

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