# CVE-2026-124329: FlowCI flow-core-x FileHelper.java FileHelper.unzip path traversal

Status: published. Published: 2026-11-08. Updated: 2026-11-08.

A vulnerability was found in FlowCI flow-core-x up to 1.23.49. The impacted element is the function FileHelper.unzip of the file common/src/main/java/com/flowci/common/helper/FileHelper.java. The manipulation results in path traversal. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- FlowCI / flow-core-x: 1.23.0 (affected); 1.23.1 (affected); 1.23.2 (affected); 1.23.3 (affected); 1.23.4 (affected); 1.23.5 (affected); 1.23.6 (affected); 1.23.7 (affected); 1.23.8 (affected); 1.23.9 (affected); 1.23.10 (affected); 1.23.11 (affected); 1.23.12 (affected); 1.23.13 (affected); 1.23.14 (affected); 1.23.15 (affected); 1.23.16 (affected); 1.23.17 (affected); 1.23.18 (affected); 1.23.19 (affected); 1.23.20 (affected); 1.23.21 (affected); 1.23.22 (affected); 1.23.23 (affected); 1.23.24 (affected); 1.23.25 (affected); 1.23.26 (affected); 1.23.27 (affected); 1.23.28 (affected); 1.23.29 (affected); 1.23.30 (affected); 1.23.31 (affected); 1.23.32 (affected); 1.23.33 (affected); 1.23.34 (affected); 1.23.35 (affected); 1.23.36 (affected); 1.23.37 (affected); 1.23.38 (affected); 1.23.39 (affected); 1.23.40 (affected); 1.23.41 (affected); 1.23.42 (affected); 1.23.43 (affected); 1.23.44 (affected); 1.23.45 (affected); 1.23.46 (affected); 1.23.47 (affected); 1.23.48 (affected); 1.23.49 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 2.3 (low); CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 5 (medium); CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 5 (medium); CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 4.6 (medium); AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-22

## Exploit evidence

- exploit: https://glacier-tarsal-711.notion.site/Flow-ci-ZipSlip-Path-Traversal-in-flow-ci-FileHelper-unzip-During-Job-Report-Extraction-3f7b25e24b3680a8b7cec8c15d79a2fb (CNA: VulDB)

## References

- https://vuldb.com/vuln/432649 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/432649/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-124329 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1027414 (CNA: VulDB; third-party-advisory)

- https://glacier-tarsal-711.notion.site/Flow-ci-ZipSlip-Path-Traversal-in-flow-ci-FileHelper-unzip-During-Job-Report-Extraction-3f7b25e24b3680a8b7cec8c15d79a2fb (CNA: VulDB; exploit)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-124329; retrieved 2026-11-08; source updated 2026-11-08

Revision: c66bc8fc1d725026fdc7ed09e4c7d258260a8af3a535b1087fd0a9255875ca1d

Canonical: https://y2.dev/cve/CVE-2026-124329

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.