Remote Code Injection in FlowCI's Groovy Script Evaluation Function
CVE-2026-124328

5.3MEDIUM

Key Information:

Vendor

Flowci

Status
Flow-core-x
Vendor
CVE Published:
8 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-124328?

A critical vulnerability has been identified in FlowCI's flow-core-x product, specifically within the Groovy Script Evaluation component. This flaw is tied to the ConditionManagerImpl.run function, where improper manipulation of the condition argument can lead to code injection attacks. The vulnerability can be exploited remotely, allowing attackers to execute unauthorized code and potentially compromise the system. Disclosure of this exploit has occurred, and it is essential for users to address this vulnerability promptly to mitigate risks.

Affected Version(s)

flow-core-x 1.23.0

flow-core-x 1.23.1

flow-core-x 1.23.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-124328 - Proof of Concept

References

https://vuldb.com/vuln/432648
vdb-entrytechnical-description
https://vuldb.com/vuln/432648/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-124328
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zy0t1 (VulDB User)
VulDB CNA Team
.