Description
Many Notes is a Markdown note-taking web application designed for simplicity. Prior to 0.16.0, the ZIP vault import implemented in app/Actions/ProcessImportedVault.php accepts archive filenames containing parent-directory traversal segments. An authenticated user can write arbitrary files outside the importing user's vault and into other users' vaults, including overwriting existing files. Disguised SVG content can be placed in another user's vault and execute stored cross-site scripting when the victim opens that vault. This issue is fixed in version 0.16.0.
Published: 2026-09-17
Score: 9.6 Critical
EPSS: n/a
KEV: No
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Remediation

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History

Thu, 17 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Many Notes is a Markdown note-taking web application designed for simplicity. Prior to 0.16.0, the ZIP vault import implemented in app/Actions/ProcessImportedVault.php accepts archive filenames containing parent-directory traversal segments. An authenticated user can write arbitrary files outside the importing user's vault and into other users' vaults, including overwriting existing files. Disguised SVG content can be placed in another user's vault and execute stored cross-site scripting when the victim opens that vault. This issue is fixed in version 0.16.0.
Title Many Notes: Path Traversal via ZIP import allows arbitrary file write and stored XSS in other users' vaults
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-17T17:11:39.506Z

Reserved: 2026-06-11T18:24:35.096Z

Link: CVE-2026-54053

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-17T18:16:45.857

Modified: 2026-09-17T18:16:45.857

Link: CVE-2026-54053

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses