MalwarePublished 29 Oct 2025Updated 31 Oct 2025

express-redact (npm) · Malicious Code

Affects express-redactSource GCVE Database

Malicious package : remove express-redact and rotate any secrets on hosts that installed it.

Data as of 29 Oct 2026, 23:24 UTC

Classification

Malicious package

Published to npm · OSV MAL-2025-49000

What to do

Remove express-redact 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
npmexpress-redact	Affected–	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 express-redact was found to contain malicious code. Any system with this package installed or running should be considered fully compromised. Secrets and keys stored on the affected system must be rotated immediately from a different, secure machine. Removing the package alone does not guarantee removal of all malicious software introduced by it.

Impact

Systems with the express-redact package installed are fully compromised, risking exposure of all stored secrets and keys. The malicious code may have established persistent backdoors or other malware beyond the package, making the entire system untrustworthy.

Defensive guidance

Immediately remove the express-redact package from all affected systems. Rotate all secrets and keys stored on these systems from a separate, secure computer. Because the system may remain compromised even after removal, consider rebuilding or thoroughly cleaning the affected machines to ensure full remediation.

Summary

The express-redact package, distributed via npm, contains malicious code that compromises any computer on which it is installed or executed. The compromise is severe enough that all stored secrets and keys on the affected system are considered exposed and must be rotated from a separate trusted environment. Due to the potential for persistent malicious software beyond the package itself, simply uninstalling express-redact does not ensure full remediation of the compromise.

References

github.com/advisories/GHSA-c2p9-vf37-c34c (opens in a new tab)

Community reviews

Loading reviews…

What to do

Affected software

Description

AI analysisMachine-generated, updated 29 Oct 2026, 23:24 UTC

Technical details

References

Community reviews