Detections
Analytics

SCA: security update for github.com/gomarkdown/markdown (GHSA-77fj-vx54-gvh7)

high Tenable Cloud Security Plugin ID 440396

Description

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

 - The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as
 HTML. Processing a malformed input containing a < character that is not followed by a > character anywhere
 in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This
 vulnerability is fixed with commit 759bbc3e32073c3bc4e25969c132fc520eda2778. (CVE-2026-40890)

Solution

Update the github.com/gomarkdown/markdown library and its related packages to version 0.0.0-20260411013819-759bbc3e3207 or later.

See Also

https://github.com/advisories/GHSA-77fj-vx54-gvh7

Plugin Details

Severity: High

ID: 440396

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 4/15/2026

Updated: 4/27/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.23

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-40890

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/14/2026

Vulnerability Publication Date: 4/14/2026

Reference Information

CVE: CVE-2026-40890

cwe: CWE-125