{"answers":{"affected":"1 open source package ship an affected version, including @oplus/obus-core.","exploited":"There is no known exploitation of MAL-2026-5424 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-2026-5424 is a malicious package in @oplus/obus-core, published on 9 Jun 2026."},"fix_prompt":"MAL-2026-5424 is a malicious package: @oplus/obus-core (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-2026-5424/ (Markdown: https://insights.sbomify.com/MAL-2026-5424/index.md)","id":"MAL-2026-5424","markdown":"https://insights.sbomify.com/MAL-2026-5424/index.md","name":"MAL-2026-5424","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"On `npm install`, scripts/postinstall.js collects the installer's username (os.userInfo()), hostname (os.hostname()), current working directory (process.cwd()), and public IP (fetched from https://api.ipify.org), then ships this data to a hardcoded interactsh callback at xjaipnfhcpawuhzlgzkzo1ak3aai9m873.oast.fun through two channels: (1) a DNS lookup whose label is the hex-encoded payload prefixed onto the C2 domain, and (2) an HTTPS GET to /poc with the JSON payload base64-encoded in an `x-poc` header. The package is published at version 99.99.99 under the @oplus scope (mirroring OPlus/Oppo internal naming) — the textbook dependency-confusion shape designed to outrank an internal counterpart during resolution. A source comment self-labels the package as a 'Dependency Confusion PoC - Bug Bounty Research', but the exfiltration fires on every install regardless of stated intent: any developer or build system that resolves this package leaks host identifiers to the attacker-controlled callback domain.","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 @oplus/obus-core (npm)","id":"MAL-2026-5424","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":"@oplus/obus-core","purl":"pkg:npm/%40oplus%2Fobus-core","source":"MAL-2026-5424"}],"products":null,"published":"2026-06-09","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-2026-5424/"}