MalwarePublished 29 Jun 2026Updated 20 Jul 2026

@contentprod-authoring/block-manager (npm) · Malicious Code

Affects @contentprod-authoring/block-managerSource GCVE Database

Malicious package : remove @contentprod-authoring/block-manager and rotate any secrets on hosts that installed it.

Data as of 26 Oct 2026, 15:55 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-6609

What to do

Remove @contentprod-authoring/block-manager 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

Product	Affected	Fixed in
npm@contentprod-authoring/block-manager	Affected =99.9.2	Fixed in–

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Description

The npm package @contentprod-authoring/block-manager contains malicious code that fully compromises any computer on which it is installed or running. The compromise may allow an attacker full control over the affected system, risking exposure of all stored secrets and keys. Removal of the package does not guarantee elimination of all malicious software introduced. Immediate rotation of all secrets and keys from a separate, uncompromised system is strongly advised.

Impact

Full system compromise on any computer with the package installed or running. Potential exposure and theft of all stored secrets and keys. Persistent malicious presence may remain even after package removal, risking ongoing unauthorized access and control.

Defensive guidance

Remove the @contentprod-authoring/block-manager package immediately from all affected systems. Rotate all secrets and keys stored on the compromised systems from a separate, secure computer. Because full system compromise is possible, consider comprehensive incident response measures to ensure removal of all malicious software beyond just the package itself.

Summary

The @contentprod-authoring/block-manager npm package is identified as containing malicious code that compromises the host system completely. According to the source advisory, any system with this package installed should be considered fully compromised, with potential unauthorized access to all secrets and keys stored on that system. The advisory warns that simply removing the package may not remove all malicious artifacts, indicating persistent compromise. No CVSS score or detailed technical exploit information is provided. There is no indication of known exploits in the wild or available patches. The threat is specific to the npm ecosystem and the package named.

References

github.com/advisories/GHSA-cpfg-m96g-j4j9 (opens in a new tab)

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What to do

Affected software

Description

AI analysisMachine-generated, updated 29 Jun 2026, 22:22 UTC

Technical details

References

Community reviews