Path Traversal Vulnerability in FlowCI flow-core-x Affected by Unsanitized Filename Input
CVE-2026-124330

2.3LOW

Key Information:

Vendor

Flowci

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-124330?

A vulnerability exists in the FlowCI flow-core-x product that exposes its LocalFileManager component to path traversal attacks. This issue arises from how the component handles the input for the fileName parameter within its functionalities, such as exist, save, read, and remove operations. Attackers can exploit this vulnerability remotely by manipulating the input to access arbitrary files on the server. Although the attack complexity is high, the potential for exploitation is significant, particularly as this vulnerability has been publicly disclosed without any response from the vendor regarding mitigation steps.

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-2026-124330 - Proof of Concept

References

https://vuldb.com/vuln/432650
vdb-entrytechnical-description
https://vuldb.com/vuln/432650/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-124330
third-party-advisory

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
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
.