Mini Shai-Hulud Strikes Again: 314 npm Packages Compromised
A significant security breach has affected 314 npm packages, with the attacker publishing 631 malicious versions in a short span. The compromised packages include popular libraries such as size-sensor and echarts-for-react, which collectively have millions of downloads. The malware is designed to harvest a wide range of credentials and exfiltrate data to public GitHub repositories, posing a serious risk to developers and organizations using these packages.
- ▪The npm account atool was compromised on May 19, 2026.
- ▪The attacker published 631 malicious versions across 314 packages in a 22-minute automated burst.
- ▪The payload harvests credentials across various platforms and exfiltrates data to public GitHub repositories.
2 outlets in our directory ran this story, first to last over 34 hours. All of the coverage we found sits in one bucket: centre. That one-sidedness is itself worth noticing.
Hacker News (Newest) files mainly under programming. We currently carry 5,306 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
inspect →
Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | SafeDep - Real-time Open Source Software Supply Chain Security |
| Canonical URL | https://safedep.io/mini-shai-hulud-strikes-again-314-npm-packages-compromised/ |
| Publication time | Tue, 19 May 2026 05:04:49 +0000 |
| Retrieval time | 2026-05-19T05:34:57.308Z |
| Last seen | 2026-05-19T05:34:57.308Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | M0O7U_ebCI0H · 2 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Back to Blog Mini Shai-Hulud Strikes Again: 314 npm Packages CompromisedMalware SafeDep Team• May 19, 2026 • 24 min readTable of Contentsfunction l(){const t=document.querySelectorAll(".prose h1, .prose h2"),e=document.getElementById("toc-nav");if(!e||0===t.length)return[];const n=Array.from(t).map(((t,e)=>{const n=t.id||`heading-${e}`;return t.id=n,{id:n,text:t.textContent||"",level:parseInt(t.tagName.charAt(1),10)}}));return e.innerHTML="",n.forEach((t=>{const n=document.createElement("a");n.href=`#${t.id}`,n.textContent=t.text,n.dataset.level=t.level.toString(),n.className=`\n block text-body1-regular font-body transition-colors duration-200 hover:text-primary-300 truncate lg:max-w-[228px]\n ${1===t.level?"pl-0 text-neutral-300 font-medium":"pl-4 text-neutral-400"}\n…
Excerpt limited to ~120 words for fair-use compliance. The full article is at SafeDep - Real-time Open Source Software Supply Chain Security.
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