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Malicious package

@doaction/rrweb-sdknpm

Malicious code in @doaction/rrweb-sdk (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-5376
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @doaction/rrweb-sdk

What this malware does

@doaction/[email protected] is a dependency-confusion / namespace-impersonation package targeting the rrweb session-recording SDK ecosystem. The package's package.json declares "preinstall": "node scripts/postinstall.js", and scripts/postinstall.js does require('@doaction/shared/bin/postinstall.js') unconditionally on npm install. The transitive @doaction/shared dependency collects installer-side environment data and POSTs it to a Datadog endpoint (the package self-describes as Datadog environment telemetry, and src/index.js only re-exports collectEnv / sendToDatadog / reportEnvToDatadog — there is no rrweb session-recording code despite the name and keywords). The 9.9.9 version number is a canonical dependency-confusion marker designed to win semver resolution over a legitimately-named internal rrweb-sdk package. The package therefore exfiltrates the installer's environment variables (commonly containing CI tokens, cloud credentials, and internal hostnames) to a third party before the consumer's code ever runs. A second lifecycle script scripts/preinstall.js ships alongside but is not the one wired into the hook, consistent with templated mass-publication across multiple impersonated SDK names.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Malicious versions

2 flagged
9.9.999.99.99

Indicators of compromise (SHA-256)

8ae23ff4baeae18c4ffdd4dbdc04091dc055aa34b13a2d906d7f798e3c0c209b
74897b5bff3cc06fa0038d19991061a22aa6aea2cb2f0e2f2449f66155f45620
ec32a2626d0a24526822d8f8f691b25e23ddd21bde3d59ef2f5093202f587000
60dc3d706440873ae849f19f8221c45725dd16a88359fd5c602047791f084347
6efd52baa69926a32dbac2a3c5eb53c361935e9a3386d2893bf2d7506ab4dfea

Frequently asked questions

No. @doaction/rrweb-sdk on npm has been identified as a malicious package (versions 9.9.9, 99.99.99 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-j6f2-qf2j-5mh5IN-MAL-2026-004999IN-MAL-2026-005000IN-MAL-2026-005176IN-MAL-2026-005175

References

Credits

  • Amazon Inspector · finder

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Supply-chain protection
@doaction/rrweb-sdk (npm) malicious package — MAL-2026-5376 | O3 Security