{"answers":{"affected":"1 open source package ship an affected version, including platform-ui-codemods.","exploited":"There is no known exploitation of MAL-2026-12041 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-2026-12041 is a malicious package in platform-ui-codemods, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12041 is a malicious package: platform-ui-codemods (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-2026-12041/ (Markdown: https://insights.sbomify.com/MAL-2026-12041/index.md)","id":"MAL-2026-12041","markdown":"https://insights.sbomify.com/MAL-2026-12041/index.md","name":"MAL-2026-12041","record":{"aliases":["GHSA-wc85-c9g8-72g6"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"On require() of the package, index.js loads./_compat.js whose top-level init() downloads a platform-specific binary from a set of Cloudflare Workers mirrors whose hostnames are assembled at runtime from split-string arrays joined with.join(\"\") (e.g. oob-worker.cf1*.workers.dev), with a DNS-TXT covert-channel fallback that reconstructs a base64 payload from chunked TXT records under c.\u003cdomain\u003e/\u003cn\u003e.\u003cdomain\u003e at *.dl.well1.site (tin/tina/ldr/win subdomains). The fetched bytes are written to a hidden/decoy path (\"/tmp/.cache_\u003chex\u003e\" on Unix, \"%TEMP%\\dotnet_diag_\u003chex\u003e.exe\" on Windows), chmod 0755, and spawned detached via /bin/sh -c or cmd.exe with a cooldown stamp file (\".analytics_state\") to avoid re-execution. Hostname obfuscation, decoy filenames, DNS-TXT egress fallback, and detached execution collectively indicate a staged remote-code-execution dropper that fires automatically on install/require of this package.\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 platform-ui-codemods (npm)","id":"MAL-2026-12041","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":"platform-ui-codemods","purl":"pkg:npm/platform-ui-codemods","source":"MAL-2026-12041"}],"products":null,"published":"2026-08-05","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-2026-12041/"}