{"answers":{"affected":"1 open source package ship an affected version, including delivery-ci-upgrade-form.","exploited":"There is no known exploitation of MAL-2026-12686 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-2026-12686 is a malicious package in delivery-ci-upgrade-form, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12686 is a malicious package: delivery-ci-upgrade-form (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-2026-12686/ (Markdown: https://insights.sbomify.com/MAL-2026-12686/index.md)","id":"MAL-2026-12686","markdown":"https://insights.sbomify.com/MAL-2026-12686/index.md","name":"MAL-2026-12686","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"index.js unconditionally requires./_runtime at module load. _runtime.js detects platform/arch and downloads an OS-specific binary (linux_x64, linux_arm64, darwin, win32) from string-split-obfuscated Cloudflare Worker hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS-TXT chunked fallback across sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. The fetched payload is written to /tmp or %TEMP% under disguised names (.cache_\u003chex\u003e, dotnet_diag_\u003chex\u003e.exe), chmod'd to 0755, and spawned detached via /bin/sh -c or cmd.exe. A.analytics_state stamp file TTL-gates re-execution. lib/telemetry.js ships a parallel dropper (HttpTransport/ServiceDiscovery/WorkerHost/NativeProfiler) with base64-decoded chunks written to disk, chmod'd 0755, spawned via cp.spawn('/bin/sh', ['-c', filePath+' \u0026']), and obfuscates the child_process import as require('child_' + 'process'). Destination hostnames and dangerous API names are reassembled from split-string arrays to defeat static analysis.","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 delivery-ci-upgrade-form (npm)","id":"MAL-2026-12686","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":"delivery-ci-upgrade-form","purl":"pkg:npm/delivery-ci-upgrade-form","source":"MAL-2026-12686"}],"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-2026-12686/"}