CVE-2026-109189: fit2cloud MeterSphere Swagger3 Swagger3ParserApiDefinition.java Swagger3ParserApiDefinition.testUrlTimeout server-side request forgery
Vulnerability summary
CVE-2026-109189 is a medium (CVSS 6.5) Server-Side Request Forgery vulnerability in fit2cloud metersphere. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 24.4% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 13-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST2.1LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- NVDNIST6.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- NVDNIST6.5MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Fit2cloud1 product
- metersphere3.6.9-lts
1 vendor · 1 product
References
4 links- vuldb.com/cve/CVE-2026-109189Third Party Advisory
- vuldb.com/submit/979788Third Party Advisory