CVE-2026-29082: Kestra: Stored Cross-Site Scripting in Markdown File Preview
Published Mar 6, 2026
·Updated
Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown (.md) with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there are no publicly available patches.
Affected Software
2 affected components
npm/kestra<=1.1.10
Kestra Kestra<=1.1.10
Event History
Mar 6, 2026
CVE Published
via MITRE·04:33 PM
Data Sourced
via MITRE·04:33 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
May 22, 58164
Event
via FIRST·03:44 PM
Frequently Asked Questions
1
What is the severity of CVE-2026-29082?
CVE-2026-29082 is classified as a medium severity vulnerability.
2
How do I fix CVE-2026-29082?
To mitigate CVE-2026-29082, upgrade Kestra to version 1.1.11 or later.
3
What versions are affected by CVE-2026-29082?
CVE-2026-29082 affects Kestra versions 1.1.10 and prior.
4
What type of vulnerability is CVE-2026-29082?
CVE-2026-29082 is a stored Cross-Site Scripting (XSS) vulnerability.
5
What component of Kestra is impacted by CVE-2026-29082?
CVE-2026-29082 impacts the execution-file preview feature that renders user-supplied Markdown.