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CVE-2026-109189— fit2cloud MeterSphere Swagger3 Swagger3ParserApiDefinition.java Swagger3ParserApiDefinition.testUrlTimeout server-side request forgery

Quick assessment

Affected
fit2cloud MeterSphere
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.

在 fit2cloud MeterSphere 3.6.9-lts 及之前版本中检测到一个安全漏洞。受影响的是 Swagger3 Parser 组件中文件 的函数 。通过操纵参数 ，可导致服务器端请求伪造（SSRF）。该漏洞可被远程利用。目前相关利用代码已公开，可能被恶意使用。供应商在披露前早期已被联系，但未作出任何回应。

CVSS 6.3 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
fit2cloud MeterSphere 3.6.9-lts affected
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I. Basic Information for CVE-2026-109189

Vulnerability Information
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Vulnerability Title
fit2cloud MeterSphere Swagger3 Swagger3ParserApiDefinition.java Swagger3ParserApiDefinition.testUrlTimeout server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in fit2cloud MeterSphere up to 3.6.9-lts. The affected element is the function Swagger3ParserApiDefinition.testUrlTimeout of the file backend/parser/api/dataimport/Swagger3ParserApiDefinition.java of the component Swagger3 Parser. Performing a manipulation of the argument swaggerUrl results in server-side request forgery. Remote exploitation of the attack is possible. The exploit is now public and may 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
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
fit2cloud MeterSphere 3.6.9-lts cpe:2.3:a:metersphere:metersphere:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-109189

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III. Intelligence Information for CVE-2026-109189

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IV. Related Vulnerabilities

Same product: MeterSphere
Same vendor: fit2cloud
Same weakness: CWE-918

V. Comments for CVE-2026-109189

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