Detections
Analytics

SCA: security update for markdown-it (GHSA-gfr2-rv44-r23c)

high Tenable Self-Hosted Container Security Plugin ID 476402

Description

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

 - markdown-it is a Markdown parser. From versions 14.1.0 to before 14.3.3, and 15.0.0 to before 15.0.3, a
 link reference definition whose label or title is never closed is O(n²) with default options. Continuation
 lines are pulled lazily with str += lineContent in src/rules_block/reference.ts, and the subsequent
 charCodeAt and slice calls flatten the V8 cons-string, copying everything collected so far; this runs
 before the rule decides the definition is invalid. No options are required to trigger it. This issue has
 been patched in versions 14.3.3 and 15.0.3. (CVE-2026-111758)

Solution

Update the markdown-it library and its related packages to version 14.3.3 or later.

See Also

https://github.com/advisories/GHSA-gfr2-rv44-r23c

Plugin Details

Severity: High

ID: 476402

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-111758

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/20/2026

Vulnerability Publication Date: 10/20/2026

Reference Information

CVE: CVE-2026-111758