---
title: "CVE-2026-54053: Many Notes - Path Traversal & Stored XSS"
description: "Many Notes < 0.16.0 contains a path traversal and stored XSS caused by improper validation of ZIP archive filenames in vault import, letting authenticated users write arbitrary files and execute scripts in other users' vaults, exploit requires user authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-54053/
---

# CVE-2026-54053 Many Notes - Path Traversal & Stored XSS

Many Notes < 0.16.0 contains a path traversal and stored XSS caused by improper validation of ZIP archive filenames in vault import, letting authenticated users write arbitrary files and execute scripts in other users' vaults, exploit requires user authentication.

CVSS base score 9.6 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.70% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54053)

## Details

Type

Path Traversal

Impact

Data Tampering, Client Script Exec

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to version 0.16.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-54053](https://nvd.nist.gov/vuln/detail/CVE-2026-54053)
- [https://github.com/brufdev/many-notes/commit/1b3288fa9671002e72e38b7fcd5d226673ba0cae](https://github.com/brufdev/many-notes/commit/1b3288fa9671002e72e38b7fcd5d226673ba0cae)
- [https://github.com/brufdev/many-notes/releases/tag/v0.16.0](https://github.com/brufdev/many-notes/releases/tag/v0.16.0)
- [https://github.com/brufdev/many-notes/security/advisories/GHSA-wg8j-9c2g-xh6r](https://github.com/brufdev/many-notes/security/advisories/GHSA-wg8j-9c2g-xh6r)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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