{"answers":{"affected":"1 open source package ship an affected version, including sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-impl.","exploited":"There is no known exploitation of MAL-2026-13655 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-2026-13655 is a malicious package in sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-impl, published on 8 Aug 2026."},"fix_prompt":"MAL-2026-13655 is a malicious package: sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-impl (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-2026-13655/ (Markdown: https://insights.sbomify.com/MAL-2026-13655/index.md)","id":"MAL-2026-13655","markdown":"https://insights.sbomify.com/MAL-2026-13655/index.md","name":"MAL-2026-13655","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() of the package, index.js loads _bootstrap.js which selects a payload path based on process.platform/arch (linux_x64, linux_arm64, darwin, win32), downloads an executable over HTTPS from one of several Cloudflare Workers subdomains whose hostnames are assembled at runtime via array-join obfuscation (oob-worker.cf101-adf.workers.dev, oob-worker.cf103-070.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS-TXT base64 chunked fallback across sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, net.dl.wel1.ru. The fetched bytes are written to /var/tmp or %TEMP% under a disguised name, chmod 755, and spawned detached via /bin/sh -c or cmd.exe. The package.json describes the module as \"API client wrappers\" for an internal payments module, but the on-load behavior is unrelated OS-branched remote code execution. Hostname obfuscation via array-join and a DNS-TXT fallback resolver are deliberate evasion of static string scanners.","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-impl (npm)","id":"MAL-2026-13655","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-impl","purl":"pkg:npm/sme-rko-finance-front-payments-classic-payment-actions-operations-repeat-impl","source":"MAL-2026-13655"}],"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-2026-13655/"}