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CVE-2026-34717— OpenProject: SQL Injection in Cost Reporting =n Operator via parse_number_string

Quick assessment

Affected
opf openproject
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.

OpenProject是OpenProject开源的一个基于Web的项目管理软件。 OpenProject 17.2.3之前版本存在SQL注入漏洞，该漏洞源于=n操作符将用户输入直接嵌入SQL WHERE子句，可能导致SQL注入攻击。

CVSS 9.9 · Critical EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-34717

Vulnerability Information
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Vulnerability Title
OpenProject: SQL Injection in Cost Reporting =n Operator via parse_number_string
Source: CVE Program / CVE List V5
Vulnerability Description
OpenProject is an open-source, web-based project management software. Prior to version 17.2.3, the =n operator in modules/reporting/lib/report/operator.rb:177 embeds user input directly into SQL WHERE clauses without parameterization. This issue has been patched in version 17.2.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenProject SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenProject是OpenProject开源的一个基于Web的项目管理软件。 OpenProject 17.2.3之前版本存在SQL注入漏洞，该漏洞源于=n操作符将用户输入直接嵌入SQL WHERE子句，可能导致SQL注入攻击。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
opf openproject < 17.2.3 -

II. Public POCs for CVE-2026-34717

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III. Intelligence Information for CVE-2026-34717

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Vendor Advisories for CVE-2026-34717 (1)

Vendor Pages for CVE-2026-34717 (1)

IV. Related Vulnerabilities

Same product: openproject
Same vendor: opf
Same weakness: CWE-89

V. Comments for CVE-2026-34717

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