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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
fit2cloud:metersphere
References 4
https://vuldb.com/vuln/416896
VDB-416896 | fit2cloud MeterSphere Swagger3 Swagger3ParserApiDefinition.java Swagger3ParserApiDefinition.testUrlTimeout server-side request forgery
https://vuldb.com/vuln/416896/cti
VDB-416896 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/cve/CVE-2026-109189
CVE-2026-109189 | CVE Analysis and Report
https://vuldb.com/submit/979788
Submit #979788 | FIT2CLOUD MeterSphere v3.6.9-lts (earlier 3.x LTS releases share the same import code path) server-side request forgery (CWE-918)