{"answers":{"affected":"1 open source package ship an affected version, including webreader.","exploited":"There is no known exploitation of MAL-2026-17757 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-2026-17757 is a malicious package in webreader, published on 10 Oct 2026."},"fix_prompt":"MAL-2026-17757 is a malicious package: webreader (PyPI). 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-2026-17757/ (Markdown: https://insights.sbomify.com/MAL-2026-17757/index.md)","id":"MAL-2026-17757","markdown":"https://insights.sbomify.com/MAL-2026-17757/index.md","name":"MAL-2026-17757","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"In this campaign, the main package (webreader) has an embeded pickle disguised as a config. A related dependency (pafer) contains code to load the pickle. During unpickling, malicious code embeded in the pickle file is automatically executed. It then establishes persistence via a PTH file and downloads the next stage payload. It finally acts like a RAT, allowing remote exfiltration and code execution.\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\nCampaign: 2026-10-webreader\n\nReasons (based on the campaign):\n\n - rat\n\n - Downloads and executes a remote malicious script.\n\n - obfuscation\n\n - The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.\n\n - abuses-pth\n\n - persistence\n\n - The malicious code is intentionally included in a dependency of the package\n\n - files-exfiltration","ecosystems":["PyPI"],"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 webreader (PyPI)","id":"MAL-2026-17757","indexable":true,"kev":null,"kind":"malicious","links":{"ecosystem":"PyPI","product":null,"products":[],"type":null,"year":"2026"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"PyPI","fixed":[],"introduced":[],"last_affected":[],"package":"webreader","purl":"pkg:pypi/webreader","source":"MAL-2026-17757"}],"products":null,"published":"2026-10-10","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-2026-17757/"}