CVE-2026-9255 – Tool Execution Without Authorization via Piped Stdin in Kiro CLI

​CVE ID :CVE-2026-9255

Published : May 22, 2026, 4:38 p.m. | 2 hours, 42 minutes ago

Description :Missing input source validation in the tool authorization prompt in Kiro CLI before 1.28.0 allows a local attacker to execute arbitrary tools, including shell commands, without user approval by crafting content that is piped to kiro-cli via stdin.

We recommend you to upgrade to kiro-cli version 1.28.0 or later.

Severity: 8.4 | HIGH

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