markdown vulnerabilities and fixes
Recent CVEs affecting markdown, with upgrade or downgrade steps. 1 tracked.
markdown has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-21. Highest priority: CVE-2026-40890 (score 43/100).
- CVE-2026-40890 HIGH 7.5 UPGRADE The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML
FAQ
How do I fix markdown vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is markdown being exploited right now?
None of the tracked markdown CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which markdown CVE should I patch first?
CVE-2026-40890 currently ranks highest (43/100): The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML.