SCA: security update for md-fileserver (GHSA-32q2-hhr5-6qvv)

high Tenable Self-Hosted Container Security Plugin ID 442257

Description

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

- md-fileserver allows for local viewing of markdown files in a browser. Prior to version 1.10.3, a cross-
site scripting (XSS) vulnerability exists in the application’s Markdown rendering logic. When user-
supplied Markdown content is rendered, embedded raw HTML—including <script> tags—is processed and injected
into the resulting page without sanitization, allowing arbitrary JavaScript execution in the context of
the affected domain. This issue has been patched in version 1.10.3. (CVE-2026-46492)

Solution

Update the md-fileserver library and its related packages to version 1.10.3 or later.

See Also

https://github.com/advisories/GHSA-32q2-hhr5-6qvv

Plugin Details

Severity: High

ID: 442257

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 5/21/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.4

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-46492

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/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: 5/21/2026

Vulnerability Publication Date: 5/21/2026

Reference Information

CVE: CVE-2026-46492