CVE-2026-29082 HIGH

CVE-2026-29082: Kestra: Stored Cross-Site Scripting in Markdown File Preview

Vendor Kestra-Io
Product kestra
Weakness CWE-79 · XSS
Published March 6, 2026
Last update March 9, 2026
View on NVD All CVEs

CVSS base score

7.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 6, 2026 CVE published
March 9, 2026 Record updated