Out-of-bounds Read Affecting gotenberg package, versions <8.30.1-r2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CHAINGUARDLATEST-GOTENBERG-16096193
- published17 Apr 2026
- disclosed21 Apr 2026
Introduced: 17 Apr 2026
CVE-2026-40890 (opens in a new tab)How to fix?
Upgrade Chainguard gotenberg to version 8.30.1-r2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gotenberg package and not the gotenberg package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
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.