{"answers":{"affected":"1 open source package ship an affected version, including sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-models.","exploited":"There is no known exploitation of MAL-2026-13656 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-2026-13656 is a malicious package in sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-models, published on 8 Aug 2026."},"fix_prompt":"MAL-2026-13656 is a malicious package: sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-models (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-2026-13656/ (Markdown: https://insights.sbomify.com/MAL-2026-13656/index.md)","id":"MAL-2026-13656","markdown":"https://insights.sbomify.com/MAL-2026-13656/index.md","name":"MAL-2026-13656","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 _bridge.js which selects a platform-specific asset path (linux_x64, linux_arm64, darwin, win32), downloads bytes from a rotating set of Cloudflare Workers endpoints (oob-worker.cf100-416.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev) with a DNS-TXT discovery fallback under *.dl.wel1.ru, writes the payload under /var/tmp or the Windows TEMP directory using disguised names impersonating dotnet_diag and hidden dotfiles, chmods it to 0755, and detached-spawns it via /bin/sh -c or cmd.exe /c start /b. Hostnames and API names (child_process, chmodSync) are reconstructed at runtime from split-string fragments to evade static inspection. lib/telemetry.js contains a parallel dropper (base64 chunk assembly, split-property fs.chmodSync, cp.spawn of /bin/sh) reachable from the main entry, redundantly staging payload delivery. A filesystem stamp implements run-once deduplication.","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 sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-models (npm)","id":"MAL-2026-13656","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":"sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-models","purl":"pkg:npm/sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-models","source":"MAL-2026-13656"}],"products":null,"published":"2026-08-08","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-2026-13656/"}