What’s Vulnerable › Vulnerabilities

CVE-2026-4215: FlowCI flow-core-x SMTP Host ConfigServiceImpl.java save server-side request forgery

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-16 · updated 2026-06-17
• Weakness: CWE-918

Description

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 manipulation results in server-side request forgery. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• FlowCI flow-core-x: 1.23.01

References

• https://github.com/fakebug111/my_public_bug/blob/main/issus01.md
• https://vuldb.com/?ctiid.351139
• https://vuldb.com/?id.351139
• https://vuldb.com/?submit.770491

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