---
title: "CVE-2026-49453: Joplin - Path Traversal"
description: "Joplin < 3.6.15 and < 3.7.2 contains a path traversal caused by unvalidated resource metadata in synchronized resources, letting attackers with write access to sync targets overwrite files at arbitrary paths without user interaction."
url: https://panop.io/threat-heartbeat/CVE-2026-49453/
---

# CVE-2026-49453 Joplin - Path Traversal

Joplin < 3.6.15 and < 3.7.2 contains a path traversal caused by unvalidated resource metadata in synchronized resources, letting attackers with write access to sync targets overwrite files at arbitrary paths without user interaction.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.41% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-49453)

## Details

Type

Path Traversal

Impact

File System Write

CVSS vector

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

Published

21 September 2026

Updated

15 October 2026

Weakness

[CWE-20](https://cwe.mitre.org/data/definitions/20.html)

## Vendor fix

Update to versions 3.6.15 or 3.7.2 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-2026-49453](https://nvd.nist.gov/vuln/detail/CVE-2026-49453)
- [https://github.com/laurent22/joplin/commit/50518073740c4501058e366300b42c2f1925cb05](https://github.com/laurent22/joplin/commit/50518073740c4501058e366300b42c2f1925cb05)
- [https://github.com/laurent22/joplin/pull/15540](https://github.com/laurent22/joplin/pull/15540)
- [https://github.com/laurent22/joplin/pull/15672](https://github.com/laurent22/joplin/pull/15672)
- [https://github.com/laurent22/joplin/security/advisories/GHSA-r24r-gp6h-cwgf](https://github.com/laurent22/joplin/security/advisories/GHSA-r24r-gp6h-cwgf)
- [https://github.com/laurent22/joplin/commit/18e0b08c282c89ae51612c4eff67af2a45ff5163](https://github.com/laurent22/joplin/commit/18e0b08c282c89ae51612c4eff67af2a45ff5163)

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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

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