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Gyazo server flaw exploited to steal 23.6 million user records

BleepingComputerby Bill Toulas ()2 min read1 · 1 read
AI summary · glm-5.3-flashSummaries by Vani AI

Attackers exploited a server flaw to steal 23.6 million Gyazo user records and 490 million image metadata records, including password hashes and private-image lists.

Gyazo, a screenshot-sharing service operated by Japan's Helpfeel with about 23 million users, confirmed attackers exploited a server vulnerability on September 11, 2026, accessing its database. Approximately 23.62 million user records were stolen, including names, email addresses, password hashes, login session IDs, X integration tokens, and subscription data. Separately, 490 million image metadata records were exposed, including upload IP addresses, User-Agent strings, EXIF location data, OCR text, and hashed passphrases for private images. Gyazo took the platform offline, patched the flaw, and is notifying affected users with external expert assistance.

Key facts
  • Attackers exploited a server vulnerability on September 11, 2026, accessing Gyazo's database
  • 23.62 million user records stolen, including password hashes and login session IDs
  • 490 million image metadata records exposed, including upload IPs and EXIF location data
  • List of private images obtained; company cannot rule out some were viewed
  • Service suspended for maintenance; users urged to change reused passwords
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From the original article

2 min read at bleepingcomputer.com

The Gyazo image-sharing platform has confirmed it suffered a data breach after hackers exploited a server vulnerability that allowed them to steal 23. 6 million user records. [...]

BleepingComputer

By Bill Toulas · bleepingcomputer.com

Read the full article at BleepingComputer

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.