SCA: security update for io.kestra:kestra (GHSA-34pm-923j-7wf8)

high Tenable Self-Hosted Container Security Plugin ID 446065

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown
parser in ui/src/utils/markdown_plugins/link.ts allows a user with permission to create or update a Flow
description to inject JavaScript event-handler attributes through the custom [[link]] syntax, causing
stored cross-site scripting when another user opens the description or information panel in the Flow list.
This issue is fixed in version 1.3.24. (CVE-2026-55839)

Solution

Update the io.kestra:kestra library and its related packages to version 1.3.24 or later.

See Also

https://github.com/advisories/GHSA-34pm-923j-7wf8

Plugin Details

Severity: High

ID: 446065

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 8/18/2026

Updated: 8/18/2026

Risk Information

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2026-55839

CVSS v3

Risk Factor: High

Base Score: 8.7

Temporal Score: 7.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/18/2026

Vulnerability Publication Date: 8/18/2026

Reference Information

CVE: CVE-2026-55839

cwe: CWE-79