File Path Bypass Vulnerability in ZFile by ZFile Development
CVE-2026-91144

8.7HIGH

Key Information:

Vendor

Zfile-dev

Status
Zfile
Vendor
CVE Published:
14 September 2026

What is CVE-2026-91144?

The ZFile application up to version 5.0.5 contains a critical flaw that allows attackers to bypass security measures. By manipulating share links, an attacker can supply arbitrary file paths as parameters within the download endpoint. This vulnerability exposes all files located within the shared base directory, enabling unauthorized file access that undermines the intended access restrictions of the application.

Affected Version(s)

zfile 0 <= 5.0.5

References

https://github.com/zfile-dev/zfile/issues/826
issue-tracking
https://github.com/zfile-dev/zfile
product
https://github.com/zfile-dev/zfile/blob/5.0.5/src/main/ja...
technical-description

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

George Chen
.