CVE-2026-91144
ZFile through 5.0.5 Share Entry Filter Bypass via Download Endpoint
Description
ZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint. Attackers holding a share link can supply arbitrary file paths as query parameters to download any file under the shared base directory, bypassing the intended access restrictions.
INFO
Published Date :
Sept. 14, 2026, 10:16 p.m.
Last Modified :
Sept. 24, 2026, 9:08 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Ensure download endpoint validates requested file paths.
- Restrict access to files outside the shared directory.
- Update ZFile to the latest version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-91144.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-91144 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-91144
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-91144 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-91144 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-91144', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-17T18:28:24.541944Z'} -
New CVE Received by [email protected]
Sep. 14, 2026
Action Type Old Value New Value Added Description ZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint. Attackers holding a share link can supply arbitrary file paths as query parameters to download any file under the shared base directory, bypassing the intended access restrictions. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-639 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/91xxx/CVE-2026-91144.json">CVE-2026-91144</a> Added Reference https://github.com/zfile-dev/zfile Added Reference https://github.com/zfile-dev/zfile/blob/5.0.5/src/main/java/im/zhaojun/zfile/module/share/service/ShareLinkFileService.java Added Reference https://github.com/zfile-dev/zfile/issues/826 Added Reference https://www.vulncheck.com/advisories/zfile-through-5.0.5-share-entry-filter-bypass-via-download-endpoint