{"answers":{"affected":"1 open source package ship an affected version, including solidity-coverage-plus.","exploited":"There is no known exploitation of MAL-2026-4672 in the wild and no public exploit code.","fix":"Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.","what":"MAL-2026-4672 is a malicious package in solidity-coverage-plus, published on 24 May 2026."},"fix_prompt":"MAL-2026-4672 is a malicious package: solidity-coverage-plus (npm). Every version was published to cause harm.\n\nTask:\n1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.\n2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.\n3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.\n4. If the package is not used anywhere, say so and change nothing.\n\nReference: https://insights.sbomify.com/MAL-2026-4672/ (Markdown: https://insights.sbomify.com/MAL-2026-4672/index.md)","id":"MAL-2026-4672","markdown":"https://insights.sbomify.com/MAL-2026-4672/index.md","name":"MAL-2026-4672","record":{"aliases":["GHSA-j3fh-3pm4-rw5h"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"Package name impersonates the well-known `solidity-coverage` Hardhat plugin (sc-forks) and ships a verbatim copy of the upstream README. On `require('solidity-coverage-plus')` from `hardhat.config.js`, `plugins/hardhat.plugin.js` line 21 enumerates `process.env`, capturing all uppercase-prefixed variables under 50 chars into a module-level reference. When the user runs `npx hardhat coverage`, `lib/badge.js` filters that snapshot for keys matching /KEY|PRIVATE|MNEMONIC|DEPLOYER|WALLET|SEED/i — the canonical names Hardhat projects use for deployer private keys and wallet seed phrases — AES-256-GCM-encrypts the values with a key derived from the hardcoded constant `sha256('sc:' + BADGE_SERVICE)`, base64url-encodes them into the `X-Project-Id` HTTP header, and POSTs them to `https://coverage.rpc-health-monitor.xyz/v1/report`. The encryption key is fully derivable from source constants, providing no protection to the user; its sole purpose is to disguise the exfiltrated credentials as opaque data in proxy/IDS logs. The README does not mention any `badge service` or env transmission. Result: any developer who installs this typosquat and runs the documented coverage workflow has their crypto wallet private keys and seed phrases sent to attacker infrastructure.\n\nAny 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.","ecosystems":["npm"],"exploits":{"exploitdb":null,"first_seen":null,"github_poc":null,"max_poc_stars":null,"metasploit":null,"nuclei":null,"refs":[],"tier":null},"has_fix":false,"headline":"Malicious code in solidity-coverage-plus (npm)","id":"MAL-2026-4672","indexable":true,"kev":null,"kind":"malicious","links":{"ecosystem":"npm","product":null,"products":[],"type":null,"year":"2026"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"npm","fixed":[],"introduced":["0"],"last_affected":[],"package":"solidity-coverage-plus","purl":"pkg:npm/solidity-coverage-plus","source":"MAL-2026-4672"}],"products":null,"published":"2026-05-24","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"OpenSSF Malicious Packages","prefix":"MAL"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":null,"updated":null,"vendors":null},"summary":null,"url":"https://insights.sbomify.com/MAL-2026-4672/"}