CVE-2025-59717

@digitalocean/do-markdownit has Type Confusion vulnerability

Published 19 Sep 2025Modified 17 Jun 2026CWE 843

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

GHSA5.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by GHSA (medium).

Description

In the @digitalocean/do-markdownit package through 1.16.1 (in npm), the callout and fence_environment plugins perform .includes substring matching if allowedClasses or allowedEnvironments is a string (instead of an array).

Affected packages and fixed versions

Source	Package	Fixed in
npm::GitHub Security Advisory npm	@digitalocean/do-markdownit	no fix listed

References

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RecordsEach decision is recorded with the policy that ran and its hash, then sealed under a signed checkpoint.

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