CVE-2020-26158

Name: CVE-2020-26158
Creator: NVD / NIST
Published: 2020-09-30T18:15:27.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 1.91%

Last modified Jun 17, 2026

CVE-2020-26158 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Leanote Desktop through 2.6.2 allows XSS because a note's title is mishandled when the batch feature is triggered. This leads to remote code execution because of Node integration.. EPSS estimates a 1.91% chance of exploitation in the next 30 days.

Description

Leanote Desktop through 2.6.2 allows XSS because a note's title is mishandled when the batch feature is triggered. This leads to remote code execution because of Node integration.

Metrics

CVSS 3.1

9.6/10

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

EPSS Probability

1.91%

77.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Leanote	Leanote	<= 2.6.2

References

https://github.com/leanote/desktop-app/issues/353Third Party Advisory
https://github.com/leanote/desktop-app/issues/353Third Party Advisory

Timeline

Published: Sep 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26158?

Leanote Desktop through 2.6.2 allows XSS because a note's title is mishandled when the batch feature is triggered. This leads to remote code execution because of Node integration.

How severe is CVE-2020-26158?

CVE-2020-26158 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.91% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26158?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26158?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST