Description
Zipline 4.6.2 before 4.8.0 contains a policy bypass vulnerability that allows authenticated users to evade administrator-disabled MIME types by editing file metadata. Attackers can upload a permitted file, then set a disabled type such as text/html through PATCH /api/user/files/:id so /raw/:id serves that Content-Type.
Published: 2026-11-11
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 13 Nov 2026 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Diced
Diced zipline
Vendors & Products Diced
Diced zipline

Wed, 11 Nov 2026 23:00:00 +0000

Type Values Removed Values Added
Description Zipline 4.6.2 before 4.8.0 contains a policy bypass vulnerability that allows authenticated users to evade administrator-disabled MIME types by editing file metadata. Attackers can upload a permitted file, then set a disabled type such as text/html through PATCH /api/user/files/:id so /raw/:id serves that Content-Type.
Title Zipline 4.6.2 before 4.8.0 Disabled MIME Type Policy Bypass via File Metadata Update
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-12T17:54:18.126Z

Reserved: 2026-11-11T22:45:25.171Z

Link: CVE-2026-126932

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-11T23:17:22.943

Modified: 2026-11-12T21:36:06.743

Link: CVE-2026-126932

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-13T18:00:09Z

Weaknesses
  • CWE-434

    Unrestricted Upload of File with Dangerous Type