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MalwarePublished Updated

tanksync (npm) · Malicious Code

Affects tanksyncSource GCVE Database

0

Malicious package : remove tanksync and rotate any secrets on hosts that installed it.

Data as of 26 Oct 2026, 16:22 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-17209

What to do

Remove tanksync from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

ProductAffectedFixed in
npmtanksyncAffected
  • 1.0.0 – 1.0.8
9 affected builds		Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

The npm package 'tanksync' version 1.0.7 contains malicious code that downloads and executes arbitrary JavaScript from a hardcoded remote URL. The package uses a flawed integrity check with a symmetric key embedded in the source, allowing attackers to produce valid signatures for any payload. Execution occurs in a detached Node.js process that continues running after the client closes, potentially compromising the host system. Removal of the package may not fully restore system integrity due to persistent malicious activity.

References

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