Gyazo Breach Exposes 23.62 Million User Records and 490 Million Image Metadata Records

Gyazo Breach Exposes 23.62 Million User Records and 490 Million Image Metadata Records Swati KhandelwalSep 17, 2026Data Breach / Web Security A security breach at Gyazo, Helpfeel's image-sharing service, exposed about 23.62 million user records, including email addresses and password hashes, the Kyoto-based company said in a notice published Wednesday. It also exposed about 490 million image metadata records, mostly for images from January 2019 or earlier, including the IDs that make up Gyazo image links. Helpfeel said those IDs could be used to view the images without permission, and that it has temporarily disabled viewing of some of them. Helpfeel asked every Gyazo user to change their password and to change it on any other service that uses the…