PT-2026-47024 · Unknown · Markdown Preview Enhanced

CVE-2026-49493

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Published

2026-06-05

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Updated

2026-06-06

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Markdown Preview Enhanced versions prior to 0.8.28
Description The software parses Bitfield fenced code blocks using the interpretJS() function, which evaluates the block content as code via vm.runInNewContext(). This allows for arbitrary code execution on the server side when a crafted markdown document containing a malicious bitfield code block is rendered or exported.
Recommendations Update to version 0.8.28.

Exploit

Fix

Code Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-49493

Affected Products

Markdown Preview Enhanced