The company said a bug recently allowed third-party app developers to access photos people may not have shared publicly. Facebook believes as many as 6.8 million users could be affected.
Photos that users started to upload to Facebook but did not post could have been accessed, along with images posted to Facebook Stories,
Tomer Bar, an engineering director at Facebook, wrote in a blog post
“We’re sorry this happened,” he added.
The information Facebook gives to third-party app developers continues to be under scrutiny. Earlier this year, a data scientist working for Cambridge Analytica
revealed the company had several years ago used the system to gather data on tens of millions of Americans.
As a result of this bug, the company said it believes the photos could have been accessed by 1,500 apps built by 876 developers.
Facebook said it will notify people potentially impacted by the bug. [Read More CNN.com]