{"answers":{"affected":"1 open source package ship an affected version, including ded-ps-ded-ps-core.","exploited":"There is no known exploitation of MAL-2026-12673 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-2026-12673 is a malicious package in ded-ps-ded-ps-core, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12673 is a malicious package: ded-ps-ded-ps-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-2026-12673/ (Markdown: https://insights.sbomify.com/MAL-2026-12673/index.md)","id":"MAL-2026-12673","markdown":"https://insights.sbomify.com/MAL-2026-12673/index.md","name":"MAL-2026-12673","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 require(), index.js loads _init.js, which selects a platform-specific endpoint and fetches an opaque native binary from Cloudflare Workers hosts whose names are assembled at runtime by joining split string fragments (e.g. oob-worker.cf1-01-adf.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS TXT covert-channel fallback to base64-chunked subdomains of wel1.ru (sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, net.dl.wel1.ru). The fetched binary is written to /tmp/.cache_\u003chex\u003e on Unix or %TEMP%/dotnet_diag_\u003chex\u003e.exe on Windows — filenames chosen to mimic hidden cache and.NET diagnostics artifacts — then chmod 0755 and spawned detached via /bin/sh -c or cmd.exe start /b. lib/telemetry.js additionally constructs sensitive API names at runtime (require(\"child_\" + \"process\"), fs[\"chmod\" + \"Sync\"]) to evade static analysis. Requiring the package causes arbitrary attacker-controlled native code to execute on the installer's host.","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 ded-ps-ded-ps-core (npm)","id":"MAL-2026-12673","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":"ded-ps-ded-ps-core","purl":"pkg:npm/ded-ps-ded-ps-core","source":"MAL-2026-12673"}],"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-2026-12673/"}