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CVE-2026-19826— alldatacenter alldata xxl-rpc Listener HessianSerializer.java Hessian2Input.readObject deserialization

Quick assessment

Affected
alldatacenter alldata
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ALLDATA是美国ALLDATA公司的一款企业级数据管理软件。 ALLDATA 0.6.8及之前版本存在安全漏洞，该漏洞源于xxl-rpc Listener组件的/serialize/impl/HessianSerializer.java文件中Hessian2Input.readObject函数存在反序列化问题，可能导致远程攻击。

CVSS 7.3 · High EPSS 0.56% · P45

Affected Version Matrix 9

VendorProduct Version RangeStatus
alldatacenter alldata 0.6.0 affected
0.6.1 affected
0.6.2 affected
0.6.3 affected
0.6.4 affected
0.6.5 affected
0.6.6 affected
0.6.7 affected
… +1 more rows
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I. Basic Information for CVE-2026-19826

Vulnerability Information
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Vulnerability Title
alldatacenter alldata xxl-rpc Listener HessianSerializer.java Hessian2Input.readObject deserialization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in alldatacenter alldata up to 0.6.8. This affects the function Hessian2Input.readObject of the file /serialize/impl/HessianSerializer.java of the component xxl-rpc Listener. The manipulation results in deserialization. The attack may be performed from remote. The exploit is now public and may be used. The project closed the issue report as "not planned" without any further explanation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
ALLDATA 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ALLDATA是美国ALLDATA公司的一款企业级数据管理软件。 ALLDATA 0.6.8及之前版本存在安全漏洞，该漏洞源于xxl-rpc Listener组件的/serialize/impl/HessianSerializer.java文件中Hessian2Input.readObject函数存在反序列化问题，可能导致远程攻击。
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
alldatacenter alldata 0.6.0 cpe:2.3:a:alldata:alldata:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19826

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9633 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-19826

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Proof of Concept for CVE-2026-19826 (1)

News Coverage for CVE-2026-19826 (1)

Other References for CVE-2026-19826 (2)

IV. Related Vulnerabilities

Same product: alldata
Same vendor: alldatacenter
Same weakness: CWE-502

V. Comments for CVE-2026-19826

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