The "Megalodon" Campaign: 5718 malicious commits to 5561 GitHub repos
The "Megalodon" campaign was identified as a large‑scale malicious operation targeting open‑source projects. It involved 5,718 malicious commits across 5,561 GitHub repositories. The campaign highlights ongoing security challenges for software supply chains.
- ▪The campaign recorded 5,718 malicious commits targeting 5,561 distinct GitHub repositories.
- ▪Researchers attribute the activity to the "Megalodon" threat actor, which injects malicious code into open‑source projects.
- ▪The malicious commits aim to compromise downstream users of the affected repositories, posing supply‑chain risks.
- ▪Security analysts emphasize the need for stronger code‑review and dependency‑monitoring practices to mitigate such threats.
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
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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 | Xcancel |
| Canonical URL | https://xcancel.com/safedepio/status/2057501564609421557 |
| Publication time | Thu, 21 May 2026 19:19:30 +0000 |
| Retrieval time | 2026-05-21T19:31:35.709Z |
| Last seen | 2026-05-21T19:31:35.709Z |
| 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 | QoJEZnP40cd3 |
| 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
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Xcancel.
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