Security researcher Matt Johansen reported that OpenCode experienced a confirmed breach in which customer API keys were stolen, and the company is instructing customers to revoke compromised credentials. Several customers say they received breach notices and that stolen keys have already been used to incur charges. The alert came on Oct 17, 2026 at 3:30 PM and quickly drew large attention, though mainstream outlets had not yet widely covered the incident at the time of the report.
Responses from the security community ranged from wry commentary to requests for more detail: some observers joked about "OpenCode opening your code," while others demanded an official company statement and clarity about the attack vector. A key technical question raised is how attackers accessed usable keys if those keys were supposedly stored or encrypted securely. Engagement metrics and multiple direct reports suggest the incident is active and impactful, but critical specifics - scope of affected customers, how keys were exposed, timeline of exploitation, and OpenCode’s formal disclosure - remain unresolved.
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