5.4
MEDIUM CVSS 3.1
CVE-2026-126942
Zipline before 4.6.2 Missing Authorization via POST /api/user/folders
Description

Zipline before 4.6.2 contains a missing authorization vulnerability in POST /api/user/folders that allows authenticated users to reparent other users' files by supplying their file IDs. Attackers can harvest file IDs from public folders and create a folder seeded with them, disclosing victims' file URLs and removing those files from their folder views.

INFO

Published Date :

Nov. 13, 2026, 10:18 a.m.

Last Modified :

Nov. 13, 2026, 7:19 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-126942 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Diced zipline
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update Zipline to version 4.6.2 or later to fix the authorization flaw.
  • Update Zipline to version 4.6.2 or later.
  • Verify access controls for folder operations.
  • Review file ID handling for authorization.
  • Implement proper authorization checks for user actions.
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-2026-126942.

URL Resource
https://github.com/diced/zipline/security/advisories/GHSA-84c9-r2mj-p9pp
https://www.vulncheck.com/advisories/zipline-before-4.6.2-missing-authorization-via-post-api-user-folders
https://github.com/diced/zipline/security/advisories/GHSA-84c9-r2mj-p9pp
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-126942 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-2026-126942 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-2026-126942 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-126942 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

    Nov. 13, 2026

    Action Type Old Value New Value
    Added Reference https://github.com/diced/zipline/security/advisories/GHSA-84c9-r2mj-p9pp
    Added SSVC {'id': 'CVE-2026-126942', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-11-13T18:27:23.067249Z'}
  • New CVE Received by [email protected]

    Nov. 13, 2026

    Action Type Old Value New Value
    Added Description Zipline before 4.6.2 contains a missing authorization vulnerability in POST /api/user/folders that allows authenticated users to reparent other users' files by supplying their file IDs. Attackers can harvest file IDs from public folders and create a folder seeded with them, disclosing victims' file URLs and removing those files from their folder views.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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:L/UI:N/S:U/C:L/I:L/A:N
    Added CWE CWE-639
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/126xxx/CVE-2026-126942.json">CVE-2026-126942</a>
    Added Reference https://github.com/diced/zipline/security/advisories/GHSA-84c9-r2mj-p9pp
    Added Reference https://www.vulncheck.com/advisories/zipline-before-4.6.2-missing-authorization-via-post-api-user-folders
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.