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CVE-2026-2074— O2OA HTTP POST Request check xml external entity reference

Quick assessment

Affected
n/a O2OA
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.

O2OA是O2OA开源的一款企业应用开发平台。 O2OA 9.0.0及之前版本存在代码问题漏洞，该漏洞源于HTTP POST请求处理程序存在XML外部实体引用。

CVSS 6.3 · Medium EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-2074

Vulnerability Information
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Vulnerability Title
O2OA HTTP POST Request check xml external entity reference
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in O2OA up to 9.0.0. This impacts an unknown function of the file /x_program_center/jaxrs/mpweixin/check of the component HTTP POST Request Handler. The manipulation leads to xml external entity reference. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
O2OA 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
O2OA是O2OA开源的一款企业应用开发平台。 O2OA 9.0.0及之前版本存在代码问题漏洞，该漏洞源于HTTP POST请求处理程序存在XML外部实体引用。
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
- O2OA 9.0 -

II. Public POCs for CVE-2026-2074

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III. Intelligence Information for CVE-2026-2074

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Same Patch Batch · n/a · 2026-02-07 · 3 CVEs total

CVE-2026-2111 4.3 MEDIUM JeecgBoot Retrieval-Augmented Generation edit path traversal
CVE-2025-15564 3.3 LOW Mapnik value.cpp operator divide by zero

IV. Related Vulnerabilities

Same product: O2OA
Same vendor: n/a
Same weakness: CWE-611

V. Comments for CVE-2026-2074

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