MalwarePublished 12 Jul 2026

nullrift (npm) · Malicious Code

Affects nullriftSource GCVE Database

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

Data as of 13 Jul 2026, 09:58 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-10206

What to do

Remove nullrift 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
npmnullrift	Affected =1.0.0	Fixed in–

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Description

The npm package 'nullrift' version 1.0.0 contains malicious code that introduces a supply-chain backdoor. It exports an undocumented function that fetches JSON data from a public, mutable paste service and executes part of that data via eval(), allowing arbitrary code execution controlled by whoever manages the paste. This behavior is inconsistent with the package's advertised SVG utility purpose and poses a remote code execution risk to consumers invoking this function.

Impact

Consumers of 'nullrift' version 1.0.0 who invoke the undocumented getPlugin() function are at risk of arbitrary code execution controlled by an attacker with access to the mutable paste on jsonkeeper.com. This can lead to full compromise of the runtime environment where the package is used. The malicious code is hidden and inconsistent with the package's stated functionality, increasing the risk of unnoticed exploitation.

Defensive guidance

Users should avoid using 'nullrift' version 1.0.0 entirely. Remove the package from any projects and replace it with a trusted alternative. Monitor dependencies for malicious or unexpected code, especially those fetched from public or anonymous sources. Since this is a supply-chain backdoor, strict vetting of third-party packages is recommended.

Summary

The 'nullrift' npm package version 1.0.0 advertises itself as an SVG fetcher/sanitizer but includes an undocumented getPlugin() function. This function performs an HTTP request to a public paste host (jsonkeeper.com) with a custom header, retrieves JSON data, and directly executes the 'model' field using eval(). Since the paste host is publicly writable and anonymous, an attacker controlling the paste can modify the content at any time, resulting in arbitrary JavaScript execution within any environment that calls this function. This constitutes a supply-chain backdoor enabling remote code execution on downstream consumers.

References

npmjs.com/package/nullrift/v/1.0.0 (opens in a new tab)

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What to do

Affected software

Description

AI analysisMachine-generated, updated 13 Jul 2026, 09:58 UTC

Technical details

References

Community reviews