{"answers":{"affected":"1 open source package ship an affected version, including ded-pwa-c-micro.","exploited":"There is no known exploitation of MAL-2026-13536 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-2026-13536 is a malicious package in ded-pwa-c-micro, published on 7 Aug 2026."},"fix_prompt":"MAL-2026-13536 is a malicious package: ded-pwa-c-micro (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-2026-13536/ (Markdown: https://insights.sbomify.com/MAL-2026-13536/index.md)","id":"MAL-2026-13536","markdown":"https://insights.sbomify.com/MAL-2026-13536/index.md","name":"MAL-2026-13536","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 _shim.js which selects a platform-specific binary (linux_x64, linux_arm64, darwin, win32), downloads it over HTTPS from hardcoded Cloudflare Workers hosts assembled from split-string arrays (oob-worker.cf103-070.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf102-baf.workers.dev) with a DNS-TXT chunked-base64 fallback channel under *.sdk.dl.wel1.ru, writes the payload to /var/tmp or %TEMP% under a masquerade name (`.cache_\u003chex\u003e` on POSIX, `dotnet_diag_\u003chex\u003e.exe` on Windows), chmods it 0o755, and spawns it detached via /bin/sh -c or cmd.exe with stdio ignored and unref(). No pinning, no hash or signature verification, no relationship between the downloaded binary and any stated package purpose. Hostnames and DNS domains are constructed from split-and-join arrays, and cache filenames plus in-code comments (`analytics_state`, `telemetry`, `rate limit`) provide cover-story misdirection.","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-pwa-c-micro (npm)","id":"MAL-2026-13536","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-pwa-c-micro","purl":"pkg:npm/ded-pwa-c-micro","source":"MAL-2026-13536"}],"products":null,"published":"2026-08-07","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-2026-13536/"}