{"answers":{"affected":"1 open source package ship an affected version, including @velkov/isows.","exploited":"There is no known exploitation of MAL-2026-10524 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-2026-10524 is a malicious package in @velkov/isows, published on 14 Jul 2026."},"fix_prompt":"MAL-2026-10524 is a malicious package: @velkov/isows (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-2026-10524/ (Markdown: https://insights.sbomify.com/MAL-2026-10524/index.md)","id":"MAL-2026-10524","markdown":"https://insights.sbomify.com/MAL-2026-10524/index.md","name":"MAL-2026-10524","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"Package is published as `@velkov/isows` while its README, repository (`wevm/isows`), description (\"Isomorphic WebSocket\"), and author (`jxom.eth`) impersonate the legitimate `isows` package. The legitimate upstream `utils.ts` is an 8-line `getNativeWebSocket` helper; in this package, `_cjs/utils.js` and `_esm/utils.js` append ~50KB of obfuscator.io-style payload (rotated string array `a4()`, base64+RC4 decoder `a5()`, debugger-trap class, `while(!![])` loops). The payload runs at top level whenever the package is `require`d or `import`ed (the package.json `main` is `./_cjs/index.js`, which loads `./utils.js`). Behavior: re-execs Node with a sentinel env var, dynamically loads `https`/`fs`/`os`/`child_process`/`path`/`crypto`, issues an HTTPS GET to an RC4-decoded host/path, streams the response to a hostname-derived filename under `os.tmpdir()`, validates a sha256 from a sidecar JSON fetched from the same attacker-controlled host (attacker controls both payload and verification), AES-256-GCM-decrypts the bytes with a key XOR-derived from four embedded 32-byte buffers, `chmod`s 0o755, and `spawn`s the binary `{detached:true, stdio:'ignore', windowsHide:true}` so it survives the parent process. Error-handling stubs are empty to suppress diagnostics. This is the canonical typosquat-plus-dropper supply-chain attack pattern: any installer or transitive consumer that loads `@velkov/isows` runs attacker-controlled native code on their machine.","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 @velkov/isows (npm)","id":"MAL-2026-10524","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":[],"last_affected":[],"package":"@velkov/isows","purl":"pkg:npm/%40velkov/isows","source":"MAL-2026-10524"}],"products":null,"published":"2026-07-14","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-2026-10524/"}