CVE-2026-124330: FlowCI flow-core-x · Path Traversal
Affects FlowCI flow-core-xSource CVE Database V5
Public exploit available · CVSS 2.3 Low.
Data as of 8 Nov 2026, 12:34 UTC
Thin evidence
One scorer or none| CNA (VulDB) | CVSS 4.0 | 2.3 |
|---|---|---|
| CNA (VulDB) | CVSS 3.1 | 5.0 |
| CNA (VulDB) | CVSS 3.0 | 5.0 |
| CNA (VulDB) | CVSS 2.0 | 4.6 |
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:PExploitation evidence
Disclosed: evidence found.
CVE published 8 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| FlowCIflow-core-x | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:flowci:flow-core-x:*:*:*:*:*:*:*:*
AI-suggested
Users should monitor for vendor updates and consider implementing access controls or input validation workarounds to mitigate path traversal risks. Given the lack of vendor response, cautious handling of fileName inputs is recommended until an official fix is released.
Description
CVE-2026-124330 is a path traversal vulnerability in FlowCI flow-core-x affecting versions 1.23.0 through 1.23.19. It involves manipulation of the fileName argument in the LocalFileManager component, allowing remote attackers to traverse directories. The attack requires a high degree of complexity and is considered difficult to exploit. The vulnerability has been publicly disclosed, but no vendor response or patch is currently available.
References
- vuldb.com/vuln/432650 (opens in a new tab)
- vuldb.com/vuln/432650/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-124330 (opens in a new tab)
- vuldb.com/submit/1027417 (opens in a new tab)
- glacier-tarsal-711.notion.site/Flow-ci-Path-Traversal-in-flow-ci-LocalFileManager-via-Unsanitized-fileName-Parameter-3f7b25e24b368031bf2cc0afd9166896 (opens in a new tab)