Security Researchers Hacked OpenAI Using Anthropic's Claude
In July, independent security researchers used Anthropic’s Claude to hack OpenAI, the Wall Street Journal reported. The team confirmed that they could compromise employee ChatGPT accounts via a flaw in the third-party community forum platform Discourse. The researchers say they conducted the hack without viewing sensitive information or pushing malicious code in OpenAI’s internal systems.Harsh Jaiswal, Mohan Pedhapati, and Rahul Maini are the lead researchers on the investigation.
- ▪In July, independent security researchers used Anthropic’s Claude to hack OpenAI, the Wall Street Journal reported.
- ▪The team confirmed that they could compromise employee ChatGPT accounts via a flaw in the third-party community forum platform Discourse.
- ▪The researchers say they conducted the hack without viewing sensitive information or pushing malicious code in OpenAI’s internal systems.Harsh Jaiswal, Mohan Pedhapati, and Rahul Maini are the lead researchers on the investigation.
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| Original publisher | PCMag |
| Canonical URL | https://www.pcmag.com/news/security-researchers-hacked-openai-using-anthropics-claude |
| Publication time | Fri, 18 Sep 26 17:59:12 +0000 |
| Retrieval time | 2026-09-18T18:08:45.448Z |
| Last seen | 2026-09-18T18:08:45.448Z |
| 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 | Cc1ZiKtPA-oL · 3 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
In July, independent security researchers used Anthropic’s Claude to hack OpenAI, the Wall Street Journal reported. The researchers, participating in OpenAI's bug-bounty program, were able to take over an OpenAI employee’s ChatGPT account, giving them unauthorized access to sensitive information and the ability to suggest changes within OpenAI’s software.The breach was conducted by Hacktron, a security startup specializing in software vulnerability detection. The team confirmed that they could compromise employee ChatGPT accounts via a flaw in the third-party community forum platform Discourse.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at PCMag.
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