What is CVE-2026-29082?

CVE-2026-29082 is a high-severity vulnerability in Kestra, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-03-06.

How severe is CVE-2026-29082?

High severity. CVSS v3 base score is 7.3 out of 10.

XSS in Kestra

CVE-2026-29082

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (14.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.

Affected products

Kestra
Kestra-io Kestra — versions <= 1.1.10

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-29082?: CVE-2026-29082 is a high-severity vulnerability in Kestra, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-03-06.
How severe is CVE-2026-29082?: High severity. CVSS v3 base score is 7.3 out of 10.