GitHub investigated degraded performance and availability affecting API Requests and Issues starting at 15:20 UTC on June 10, 2026. The incident involved sporadic authentication failures affecting about 15% of API traffic, with erroneous 401 responses triggering authentication flows in app integrations. GitHub mitigated the degradation, monitored stability, and marked the incident resolved at 16:39 UTC, with a root cause analysis pending.
Attackers reportedly used Meta’s AI customer support agent to hijack Instagram accounts by asking it to link accounts to attacker-controlled emails. MIT Technology Review frames the incident as a reminder that AI security is not only about powerful future systems like Mythos. The immediate risk is giving AI agents sensitive operational powers without strong authentication, permissions, review, and testing.