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CVE

CVE-2026-29082

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

CVE-2026-29082

Kestra: Stored Cross-Site Scripting in Markdown File Preview

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.3
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
C
H
U
-

Related Resources

No items found.

References

https://github.com/kestra-io/kestra/releases/tag/v1.0.30, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29082.json, https://github.com/kestra-io/kestra/security/advisories/GHSA-r36c-83hm-pc8j, https://nvd.nist.gov/vuln/detail/CVE-2026-29082

Severity

7.3

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.3
EPSS Probability
0.00053%
EPSS Percentile
0.16797%
Introduced Version
0
Fix Available
c40b72eaa2230f03d041614a61adb71efc8dfeac

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