# CVE-2026-124330: FlowCI flow-core-x path traversal in LocalFileManager

Source: https://junglewise.ai/threats/cve-2026-124330-a-vulnerability-was-determined-in-flowci-flow-core-x-up-to-1-23  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-08. Updated: 2026-11-08  
License: CC BY 4.0 with a link back

CVE-2026-124330 · Severity: medium · CVSS 5 · Published 2026-11-08

FlowCI flow-core-x is a continuous integration platform component that manages local file storage. A path traversal vulnerability in the LocalFileManager allows an attacker to access files outside intended directories by manipulating file name parameters, potentially exposing sensitive data or configuration files on the server.

Technologies: [FlowCI Flow-Core-X](https://junglewise.ai/threats/technologies/flow-core-x). Vendors: [FlowCI](https://junglewise.ai/threats/vendors/flowci).

## Quick answers

**Is CVE-2026-124330 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-124330 being exploited in the wild.

**How severe is CVE-2026-124330?** Medium severity, with a CVSS score of 5, published 8 November 2026.

**Which products and versions are affected?** FlowCI Flow-Core-X up to 1.23.49.

**Is there a fix for CVE-2026-124330?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-124330 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-124330?** Check whether you run FlowCI Flow-Core-X at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The LocalFileManager component in FlowCI flow-core-x contains a path traversal flaw in the exist, save, read, and remove functions of the file store due to insufficient sanitization of the fileName argument. An attacker can exploit this remotely by crafting malicious file paths; successful exploitation requires understanding of the target system structure and may enable unauthorized file access or manipulation.

## Affected products

- FlowCI flow-core-x up to 1.23.49

## Timeline

- 2026-11-08: disclosed: Publicly disclosed; vendor did not respond to early notification

## References

- [https://glacier-tarsal-711.notion.site/Flow-ci-Path-Traversal-in-flow-ci-LocalFileManager-via-Unsanitized-fileName-Parameter-3f7b25e24b368031bf2cc0afd9166896](https://glacier-tarsal-711.notion.site/Flow-ci-Path-Traversal-in-flow-ci-LocalFileManager-via-Unsanitized-fileName-Parameter-3f7b25e24b368031bf2cc0afd9166896)
- [https://vuldb.com/cve/CVE-2026-124330](https://vuldb.com/cve/CVE-2026-124330)

## Related threats

- [FlowCI flow-core-x path traversal in FileHelper.unzip](https://junglewise.ai/threats/cve-2026-124329-a-vulnerability-was-found-in-flowci-flow-core-x-up-to-1-23-49)
- [FlowCI flow-core-x code injection in Groovy script evaluation](https://junglewise.ai/threats/cve-2026-124328-a-vulnerability-has-been-found-in-flowci-flow-core-x-up-to-1-23)