CVE-2026-5429
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Unsanitized input during web page generation in the Kiro Agent webview in Kiro IDE before version 0.8.140 allows a remote unauthenticated threat actor to execute arbitrary code via a potentially damaging crafted color theme name when a local user opens the workspace. This issue requires the user to trust the workspace when prompted.
To remediate this issue, users should upgrade to version 0.8.140.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AWS | Kiro IDE | 0.1 < 0.8.140 | affected |
Weaknesses
- CWE-79: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://aws.amazon.com/security/security-bulletins/2026-012-aws/
- https://kiro.dev/changelog/ide/0-8/#patch-0-8-140
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