Path Traversal Vulnerability in FlowCI's FileHelper Function
CVE-2026-124329

2.3LOW

Key Information:

Vendor

Flowci

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-124329?

A vulnerability in FlowCI's flow-core-x component affects versions up to 1.23.49, specifically within the FileHelper.unzip function. This issue allows attackers to exploit path traversal, potentially leading to unauthorized file access from remote locations. The complexity of executing this attack is assessed as high, making the exploit particularly challenging. Despite early disclosure attempts by security researchers, the vendor has not provided a response, raising concerns about the security posture of their software. Users are advised to review their current versions and ensure appropriate mitigations are in place.

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-2026-124329 - Proof of Concept

References

https://vuldb.com/vuln/432649
vdb-entrytechnical-description
https://vuldb.com/vuln/432649/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-124329
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
.