Malware in @img-hls/vtt.js
Malware discovered in the npm package @img-hls/vtt.js. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @img-hls/vtt.js
A critical malware incident was identified in the npm package @img-hls/vtt.js. According to the GitHub Advisory (GHSA-7752-87g2-6jgf), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory indicates that all secrets and keys stored on affected computers should be rotated immediately from a different, uncompromised system. While the package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the package compromise.\n\nThis represents a severe supply chain attack through a compromised npm package with full system compromise potential.
Indicators of compromise
- Packages
- @img-hls/vtt.js
Remediation
- Immediately isolate any system with @img-hls/vtt.js installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the @img-hls/vtt.js package from all systems
- Perform a full forensic analysis and malware scan on affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system rebuild if compromise is confirmed
Sources
- GitHub Advisory GHSA-7752-87g2-6jgf · GitHub Advisory Database
Cite this entry
"Malware in @img-hls/vtt.js." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 29, 2026; last updated June 29, 2026. https://supplychainattack.org/incident/malware-in-img-hls-vtt-js-rbbvgt
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- containedcritical
Malware in svelte-dim-kit
The npm package svelte-dim-kit was found to contain malware, potentially giving attackers full control of affected systems. All systems with this package installed should be considered compromised and secrets/keys rotated immediately from a different computer.
npmCompromised package - containedcritical
Malicious code in @syncraft-labs/react (npm)
The npm package @syncraft-labs/react contained obfuscated malicious code in its ESM distribution that implements the EtherHiding pattern, fetching and executing arbitrary code from an Ethereum smart contract via RPC endpoints. The tampering occurred post-build in the dist/index.js artifact.
npmCompromised package - containedcritical
Malicious code in stillm4ddpocs-demo-sprocket (npm)
The npm package stillm4ddpocs-demo-sprocket version 999.9.12 contains malicious code that exfiltrates system and project metadata via multiple channels (HTTPS, HTTP, and DNS) to a hardcoded callback host. The package uses a high version number to exploit dependency-confusion attacks against organizations with internal packages of the same name.
npmCompromised packageDependency confusion - resolvedcritical
Malicious code in stillm4ddpocs-rtest-bravo (npm)
The npm package stillm4ddpocs-rtest-bravo contained malicious code in its preinstall script that automatically executed during installation, collecting system information and internal package metadata and exfiltrating it to a third-party Interactsh collector via HTTPS and DNS tunneling.
npmCompromised package