CVE-2026-9255 — Tool Execution Without Authorization via Piped Stdin in Kiro CLI
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 …
Published: 2026-05-22 · CVSS: 8.4 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7