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CVE-2026-49490— OpenCATS - SQL Injection in DataGrid Filter Handling for Tags Column

Quick assessment

Affected
OpenCATS OpenCATS
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.

OpenCats是OpenCats开源的一套开源的招聘流程管理系统。 OpenCATS 0.9.1a版本存在SQL注入漏洞，该漏洞源于DataGrid过滤器处理中存在SQL注入，可能导致经过身份验证的攻击者通过特制过滤器绕过列过滤限制，执行任意SQL查询。

CVSS 8.1 · High EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenCATS OpenCATS ≤ 0.9.1a affected
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I. Basic Information for CVE-2026-49490

Vulnerability Information
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Vulnerability Title
OpenCATS - SQL Injection in DataGrid Filter Handling for Tags Column
Source: CVE Program / CVE List V5
Vulnerability Description
OpenCATS from version 0.9.1a contains an SQL injection vulnerability in DataGrid filter handling that allows authenticated attackers to inject SQL through crafted filters targeting the non-filterable Tags column in the Candidates DataGrid. Attackers can bypass column filterable restrictions by manipulating filter requests to execute arbitrary SQL queries against the database.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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
OpenCats SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenCats是OpenCats开源的一套开源的招聘流程管理系统。 OpenCATS 0.9.1a版本存在SQL注入漏洞，该漏洞源于DataGrid过滤器处理中存在SQL注入，可能导致经过身份验证的攻击者通过特制过滤器绕过列过滤限制，执行任意SQL查询。
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
OpenCATS OpenCATS 0 ~ 0.9.1a -

II. Public POCs for CVE-2026-49490

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10157 chars
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In-depth vulnerability mechanism
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Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-49490

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Vendor Advisories for CVE-2026-49490 (2)

IV. Related Vulnerabilities

Same product: OpenCATS
Same vendor: OpenCATS
Same weakness: CWE-89

V. Comments for CVE-2026-49490

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