Top arcade game maker leaks nearly 19 million user records via WeChat mini app
Wahlap, a major arcade game maker, has exposed nearly 19 million user records through an unsecured Elasticsearch instance linked to its WeChat mini-programs. The leaked data includes sensitive information such as phone numbers and unique user IDs, raising concerns about potential phishing and fraud. Although the archive has been secured post-disclosure, there is currently no evidence that the data was exploited.
- ▪Wahlap left an open Elasticsearch instance exposing 18.9 million records tied to its WeChat mini-program ecosystem.
- ▪The exposed data includes 6.6 million unique Union IDs and 1.7 million phone numbers.
- ▪Researchers warn that the data could be used for targeted phishing attacks and fraud.
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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 | TechRadar |
| Canonical URL | https://www.techradar.com/pro/security/top-arcade-game-maker-leaks-nearly-19-million-user-records-via-wechat-mini-app |
| Publication time | Thu, 21 May 2026 15:05:00 +0000 |
| Retrieval time | 2026-05-21T15:06:11.139Z |
| Last seen | 2026-05-21T15:06:11.139Z |
| 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 | CubH5EthxNq7 |
| 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
Pro Security Top arcade game maker leaks nearly 19 million user records via WeChat mini app News By Sead Fadilpašić published 21 May 2026 Millions of users may have had data leaked When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: Shutterstock) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Wahlap left an open Elasticsearch instance exposing 18.9 million records tied to its WeChat mini‑program ecosystemData included 6.6 million unique Union IDs, 1.7 million phone numbers, and personal details that could enable targeted phishing and fraudThe archive was locked down after…
Excerpt limited to ~120 words for fair-use compliance. The full article is at TechRadar.
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