CVE-2026-105570 Docker Sandboxes OAuth response masking could be bypassed with a case-variant token host

Docker Sandboxes compared OAuth token-endpoint hostnames case-sensitively when deciding whether to mask managed credential responses, while request routing treated DNS hostnames case-insensitively. Untrusted code inside a sandbox could use a case-variant hostname to reach the genuine provider...

CVE-2026-105570

Docker Sandboxes are vulnerable to a security bypass where OAuth response masking can be circumvented using a case-variant token host . The root cause is a discrepancy in case sensitivity handling: the system compares OAuth token-endpoint hostnames case-sensitvely for masking decisions, but reque...