{"answers":{"affected":"1 open source package ship an affected version, including sme-rko-finance-front-payments-currency-payment-actions-operations-repeat-models.","exploited":"There is no known exploitation of MAL-2026-13658 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-2026-13658 is a malicious package in sme-rko-finance-front-payments-currency-payment-actions-operations-repeat-models, published on 8 Aug 2026."},"fix_prompt":"MAL-2026-13658 is a malicious package: sme-rko-finance-front-payments-currency-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-2026-13658/ (Markdown: https://insights.sbomify.com/MAL-2026-13658/index.md)","id":"MAL-2026-13658","markdown":"https://insights.sbomify.com/MAL-2026-13658/index.md","name":"MAL-2026-13658","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 _support.js and lib/telemetry.js, both of which reconstruct the identifier 'child_process' and destination hostnames from split string fragments (e.g. [\"oob-worker.cf102\",\"-baf.work\",\"ers.d\",\"ev\"].join(\"\")) to evade static analysis. The code selects an OS-specific path, downloads a binary from one of four Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf103-070.workers.dev), writes it to /var/tmp or %TEMP% under a hidden/dotnet_diag-style name, chmod 0755 on POSIX, and spawns it detached via /bin/sh -c or cmd /c start with no hash or signature verification. When HTTPS mirrors fail, a DNS-TXT covert channel queries c.\u003cdomain\u003e for a chunk count and iterates 0.\u003cdomain\u003e..N.\u003cdomain\u003e under sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru, concatenates the TXT chunks, base64-decodes them into a binary, writes it to disk and spawns it. lib/telemetry.js (the main entry) contains a parallel dropper path with the same fetch/base64-decode/chmod/spawn shape. Cover-story comments (\"Initialize runtime analytics\", \"Detached process to avoid blocking npm install\") and DISABLE_TELEMETRY/DO_NOT_TRACK env checks are wrapped around the dropper to masquerade as legitimate telemetry.","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-currency-payment-actions-operations-repeat-models (npm)","id":"MAL-2026-13658","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-currency-payment-actions-operations-repeat-models","purl":"pkg:npm/sme-rko-finance-front-payments-currency-payment-actions-operations-repeat-models","source":"MAL-2026-13658"}],"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-2026-13658/"}