Malicious code in formatting-subtitles-for-claude (npm)
- Product
- formatting-subtitles-for-claude (npm package)
- Affected
- formatting-subtitles-for-claude all versions
- Fixed in
- No fix yet
Last verified against sources: October 26, 2026
Am I affected?
formatting-subtitles-for-claude (npm package): affected formatting-subtitles-for-claude all versions. No fix has been reported yet.
- Check your version: run
npm ls formatting-subtitles-for-claude. Versions all versions of formatting-subtitles-for-claude are affected. [1]
What to do now
- Remove the package if it is installed: run
npm uninstall formatting-subtitles-for-claude. [1] - Rotate all secrets and keys stored on that computer immediately, from a different computer. [1]
- Remove the package from the computer. [1]
- Removing the package may not remove all malicious software that came from installing it. [1]
General practice, not from the source: if the affected software could read tokens or credentials, rotate them after upgrading; pin versions and review changes before updating tools your agents run.
What happened
Impact
- Any computer that has this package installed or running should be considered fully compromised. [1]
What was done
Sources
- MAL-2026-18099 — OSV (Open Source Vulnerabilities)
Every statement above was checked against these sources before publishing. Spotted an error? Tell us and we will correct it with a dated note.
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Malicious code in formatting-subtitles-for-claude (npm)
Product: formatting-subtitles-for-claude (npm package) | Affected: formatting-subtitles-for-claude all versions | Fixed in: No fix yet
Summary: The npm package formatting-subtitles-for-claude contains malicious code.
Source & remediation on AgentArmorHQ: https://agentarmorhq.com/incidents/2026/10/mal-2026-18099-formatting-subtitles-for-claude-npm-packageCorrections
Report an error or request a correction. We review requests within 5 business days and add a dated correction note.
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