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May 14, 2026 Verified Sensitive Record Malware Exposure Technology

OpenAI TanStack 2026 Data Breach

The OpenAI TanStack 2026 data breach occurred when malicious TanStack packages in the Mini Shai-Hulud supply-chain campaign affected two OpenAI employee devices and produced credential-focused…

2
Email Identifiers
3
Data Types
Low
Exposure Scope
Yes
Verification

Exposed Data Types

3
Limited credential material
Internal source code repository access
Potentially exposed code-signing certificates

Additional Information

Added DateJuly 27, 2026
Exposure DateMay 14, 2026
Domainopenai.com
SourceTanStack Mini Shai-Hulud compromise of two employee devices
Last Content UpdateJuly 27, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Record Information

Record NameOpenAI, L.L.C.
CategoryTechnology
CountryUnited States
Related Websiteopenai.com

Exposure Scope

Low

This scope reflects unique email identifiers supplied to help notify malware victims; it does not establish an individual-victim or user total.

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