Amazon Kiro CLI vulnerabilities

2 CVEs affecting Amazon Kiro CLI, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-18657, published 2026-08-04.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-18657, published 2026-08-04. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. An uncontrolled search path element in Kiro CLI before version 2.10.0 on Windows might allow a remote unauthenticated actor to execute arbitrary code via a maliciously crafted project directory…
• CVE-2026-9255, published 2026-05-22. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. 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…