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CWE-1423

Exposure of Sensitive Information caused by Shared Microarchitectural Predictor State that Influences Transient Execution

Shared microarchitectural predictor state may allow code to influence transient execution across a hardware boundary, potentially exposing data that is accessible beyond the boundary over a covert channel.

Impactr finds and proves whether CWE-1423 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.