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CVE-2026-7306— Xuxueli xxl-job OpenAPI Endpoint OpenApiController.java hard-coded key

Quick assessment

Affected
Xuxueli xxl-job
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

XXL-JOB是许雪里（xuxueli）个人开发者的一个分布式任务调度平台。 XXL-JOB 3.3.2及之前版本存在加密问题漏洞，该漏洞源于组件OpenAPI Endpoint中文件xxl-job-admin/src/main/java/com/xxl/job/admin/scheduler/openapi/OpenApiController.java的未知函数参数default_token操作导致使用硬编码加密密钥，可能允许远程攻击。

CVSS 5.6 · Medium EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
Xuxueli xxl-job 3.3.0 affected
3.3.1 affected
3.3.2 affected
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I. Basic Information for CVE-2026-7306

Vulnerability Information
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Vulnerability Title
Xuxueli xxl-job OpenAPI Endpoint OpenApiController.java hard-coded key
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Xuxueli xxl-job up to 3.3.2. The impacted element is an unknown function of the file xxl-job-admin/src/main/java/com/xxl/job/admin/scheduler/openapi/OpenApiController.java of the component OpenAPI Endpoint. Such manipulation of the argument default_token leads to use of hard-coded cryptographic key . It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been disclosed publicly and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
XXL-JOB 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XXL-JOB是许雪里（xuxueli）个人开发者的一个分布式任务调度平台。 XXL-JOB 3.3.2及之前版本存在加密问题漏洞，该漏洞源于组件OpenAPI Endpoint中文件xxl-job-admin/src/main/java/com/xxl/job/admin/scheduler/openapi/OpenApiController.java的未知函数参数default_token操作导致使用硬编码加密密钥，可能允许远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Xuxueli xxl-job 3.3.0 cpe:2.3:a:xuxueli:xxl-job:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7306

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III. Intelligence Information for CVE-2026-7306

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Proof of Concept for CVE-2026-7306 (1)

Other References for CVE-2026-7306 (2)

Same Patch Batch · Xuxueli · 2026-04-28 · 3 CVEs total

CVE-2026-7305 6.3 MEDIUM Xuxueli xxl-job trigger Endpoint XxlJobServiceImpl.java triggerJob server-side request for
CVE-2026-7303 3.7 LOW Xuxueli xxl-job Execution Log JobLogController.java logDetailCat resource injection

IV. Related Vulnerabilities

Same product: xxl-job
Same vendor: Xuxueli
Same weakness: CWE-321

V. Comments for CVE-2026-7306

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