EUVD-2026-76443
GHSA-gpq4-73r8-h3fj
Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack is delivered via remotely distributed repository content (AV:N); credentials and workspace data are exfiltrated (C:H); workspace settings file is modified (I:L); no availability impact; no privileges required; developer interaction needed to open the Powers panel.
Primary rating from Vendor (AMZN).
CVSS VectorVendor: AMZN
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Workspace data exfiltration in Amazon Kiro IDE before version 0.8.135 allows remote unauthenticated attackers to steal developer credentials and sensitive project data through crafted repository content. When a developer opens a malicious project, the Kiro AI agent is manipulated - via CWE-829 inclusion from an untrusted control sphere - into overwriting the workspace settings file, redirecting the Kiro Powers registry to an attacker-controlled endpoint. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Three conditions must all be satisfied: (1) The developer opens a crafted malicious repository in Kiro IDE prior to version 0.8.135 - the malicious content instructs the Kiro agent to modify workspace settings. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H, score 5.5) is inconsistent with the described impact: the description clearly establishes credential and workspace data exfiltration (a Confidentiality impact) and workspace settings file modification (an Integrity impact), not an Availability impact - the A:H/C:N/I:N combination appears to be erroneous and should be verified against the AWS advisory. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: 0.8.135. … Detailed patch versions, workarounds, and compensating controls in full report. |
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