{"answers":{"affected":"1 open source package ship an affected version, including yuinpm.","exploited":"There is no known exploitation of MAL-2026-11039 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-2026-11039 is a malicious package in yuinpm, published on 23 Jul 2026."},"fix_prompt":"MAL-2026-11039 is a malicious package: yuinpm (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-2026-11039/ (Markdown: https://insights.sbomify.com/MAL-2026-11039/index.md)","id":"MAL-2026-11039","markdown":"https://insights.sbomify.com/MAL-2026-11039/index.md","name":"MAL-2026-11039","record":{"aliases":["GHSA-vpgm-qmgp-w4h4"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"Package yuinpm@2026.7.19-2 contains 3 files and produced no a static rule matches and no traced-code findings indicating exfiltration, install-time remote code execution, silent relay, credential distribution, self-propagation, or backdoor behavior. The unusual calendar-style version number is a metadata observation only and is not itself a supply-chain threat.\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 yuinpm (npm)","id":"MAL-2026-11039","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":"yuinpm","purl":"pkg:npm/yuinpm","source":"MAL-2026-11039"}],"products":null,"published":"2026-07-23","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-2026-11039/"}