Vulnerability Report

CVE-2026-29082

Title: Unsanitized Markdown preview leads to XSS

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2026-29082.

CWE Category CWE-79
Published Date Mar 06, 2026
Modified Date Mar 10, 2026
Exploit Status Not Found
Score 7.3 CVSS v3.1
Exploit Probability (EPSS)
0.23%

Vulnerability Summary

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 v-html without sanitisation. At time of publication, there are no publicly available patches.

Impacted Vendors

K
kestra 1

Reference Links

https://github.com/kestra-io/kestra/releases/tag/v1.0.30 https://github.com/kestra-io/kestra/security/advisories/GHSA-r36c-83hm-pc8j
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.4
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-29082 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Affected Stack

No specific products linked.