{"answers":{"affected":"1 open source package ship an affected version, including bigops-storio-ngrx.","exploited":"There is no known exploitation of MAL-2026-13253 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-2026-13253 is a malicious package in bigops-storio-ngrx, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-13253 is a malicious package: bigops-storio-ngrx (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-2026-13253/ (Markdown: https://insights.sbomify.com/MAL-2026-13253/index.md)","id":"MAL-2026-13253","markdown":"https://insights.sbomify.com/MAL-2026-13253/index.md","name":"MAL-2026-13253","record":{"aliases":["GHSA-v9j9-x22c-rgjq"],"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./_ext.js which selects a per-OS asset path and downloads a binary payload from one of three runtime-assembled Cloudflare Workers hosts (oob-worker.cf101-adf.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS TXT covert-channel fallback that reassembles a base64 payload from numbered subdomains under sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. The fetched bytes are written to /var/tmp/.cache_\u003crand\u003e on Unix or %TEMP%\\dotnet_diag_\u003crand\u003e.exe on Windows, chmod 0755, and spawned detached via spawn(\"/bin/sh\", [\"-c\", path + \" \u0026\"]) or spawn(\"cmd\",...). Host strings are constructed via array-split.join(\"\") to evade static inspection, and there is no hash or signature verification. Staging paths mimic system diagnostics names to blend in.\n\nAny computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.","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 bigops-storio-ngrx (npm)","id":"MAL-2026-13253","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":["0"],"last_affected":[],"package":"bigops-storio-ngrx","purl":"pkg:npm/bigops-storio-ngrx","source":"MAL-2026-13253"}],"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-2026-13253/"}