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CVE-2026-89332

Kiro IDE Sensitive Workspace Data Exfiltration via Agent-Written Workspace Configuration

MEDIUM
5.5
CVSS Score
Published: September 11, 2026 at 07:03 PM UTC
Updated: September 16, 2026 at 02:07 PM UTC
2 products affected across 2 vendorsKiro IDEKiro IDE

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kiro IDE· Amazon
95%
v < 0.8.135
Affected range stops below 0.8.135, so it looks safe — our inference, not a vendor statement
Kiro IDE· AWS
60%
v < 0.8.135
Affected range stops below 0.8.135, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

PatchRelease NotesVendor Advisory
Source: cverecord
https://kiro.dev/changelog/ide/0-8/#patch-0-8-135
Vendor Advisory
Source: cverecord
https://aws.amazon.com/security/security-bulletins/2026-111-aws/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMAMZN
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-829CWE-201

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