SSRF in Flowci Flow-core-x
CVE-2026-4215
A security flaw has been discovered in FlowCI flow-core-x up to 1.23.01. The impacted element is the function Save of the file core/src/main/java/com/flowci/core/config/service/ConfigServiceImpl.java of the component SMTP Host Handler. The…
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.001 (16.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Flowci Flow-core-x — versions 1.23.01
Weakness classification (CWE)
References
- VDB-351139 | FlowCI flow-core-x SMTP Host ConfigServiceImpl.java save server-side request forgery (technical-description, vdb-entry)
- VDB-351139 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #770491 | flow flow-core-x 1.23.01 Server-Side Request Forgery (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-4215?
- CVE-2026-4215 is a medium-severity vulnerability in Flowci Flow-core-x, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-03-16.
- How severe is CVE-2026-4215?
- Medium severity. CVSS v3 base score is 6.3 out of 10.