weavedb-tools
This report shows the evidence for weavedb-tools@0.45.3, the only known version.
OpenSSF/OSV Malicious Advisory
imported 4mo ago · by OpenSSF/OSVOpenSSF/OSV advisory MAL-2026-4726 confirms this npm version as malicious.
Advisory
MAL-2026-4726
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in weavedb-tools (npm)
Details
package.json declares `"preinstall": "./dist/runtime.node"`, which directly executes a ~976KB Linux ELF binary at every `npm install`. The `.node` extension (normally reserved for Node native addons loaded via `require()`) is misused here — the file is invoked as a shell command, not loaded as an addon, a naming choice that evades scanners which treat `.node` files as benign native bindings. The binary is packed/encrypted (large opaque regions, no source, no `binding.gyp`, no build manifest) and its strings include `LIBBPF_0.0`, `PTRACE`, `/proc`, `USERPROFILE`, `https://`, `HTTP/1.1`, `POST`, and `DELETE` — capabilities (eBPF instrumentation, process tracing, outbound HTTP, cross-platform user-home enumeration) wholly unrelated to the package's advertised purpose (a thin CLI helper). Legitimate prior versions of this package shipped only `index.js` and a workspace template with no preinstall hook and no native binary; the addition of an opaque packed ELF executed at install time is consistent with a compromised-publish or typosquat-republish supply-chain attack. Installer impact: arbitrary attacker-controlled native code runs with the user's privileges on every `npm install`, with capabilities to ptrace other processes, instrument the kernel via BPF, enumerate the home directory, and exfiltrate over HTTPS.
## Source: google-open-source-security (146faaf0d97c6a533a969bc3f3f117811f9317dc865ed4ab37f1679842ddeaae) This package was compromised as part of the IronWorm campaign. This campaign executes a malicious binary payload during installation via a preinstall hook. The payload is a Rust-built infostealer that targets developer environments, scanning for and harvesting credentials related to cloud providers, object storage, databases, source-control, package registries, and AI developer tools. It also targets cryptocurrency wallets, specifically injecting a malicious JavaScript hook into the Exodus desktop wallet to capture passwords and recovery phrases. Furthermore, the malware exhibits worm-like behavior by stealing GitHub and NPM credentials to push malicious updates to the victim's repositories and publish trojanized packages, and it uses an eBPF-based kernel rootkit to hide its processes and network connections on Linux systems.
Source & flagged code
0 flagged · loading sourceNo flagged code excerpts are attached to this scan.
Findings
1 High
HighOsv Malicious Advisory
Affected versions and remediation
This report applies to weavedb-tools@0.45.3.
The versions list below shows the verdict for each recorded version.
- Avoid installing weavedb-tools@0.45.3. Remove it from direct dependencies and check your lockfile for transitive copies.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
- If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.
Evidence last updated: .
Source advisory published: .
This report uses published external intelligence. The advisory does not provide a separate source-code analysis for each listed version.
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