High severity7.8NVD Advisory· Published Apr 2, 2026· Updated Apr 3, 2026

CVE-2026-5429

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Amazon/Kiro Idellm-fuzzy
Range: <0.8.140

Patches

Vulnerability mechanics

References

aws.amazon.com/security/security-bulletins/2026-012-aws/nvd
kiro.dev/changelog/ide/0-8/nvd

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000