Amazon AWS Kiro IDE up to 0.10 File Write Tool vscode/tasks.json permission assignment

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Amazon AWS Kiro IDE up to 0.10 and classified as critical. This affects an unknown function of the file vscode/tasks.json of the component File Write Tool. The manipulation results in permission assignment. This vulnerability is known as CVE-2026-10591. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Amazon AWS Kiro IDE up to 0.10. It has been classified as critical. Affected is an unknown code of the file vscode/tasks.json of the component File Write Tool. The manipulation with an unknown input leads to a permission assignment vulnerability. CWE is classifying the issue as CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Insufficient access control restrictions in the file write tool in Amazon Kiro IDE before version 0.11 might allow remote unauthenticated actors to execute arbitrary commands via crafted instructions that cause writes to execution-sensitive paths (such as .vscode/tasks.json), enabling auto-execution on folder open. To remediate this issue, users should upgrade to Kiro IDE version 0.11 or later.

The weakness was published by Cymulate. The advisory is shared for download at kiro.dev. This vulnerability is traded as CVE-2026-10591 since 06/01/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

By approaching the search of inurl:vscode/tasks.json it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 11 eliminates this vulnerability. The upgrade is hosted for download at kiro.dev.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-33964). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (AMZN): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: AWS Kiro IDE 11

Timelineinfo

06/01/2026 CVE reserved
06/02/2026 +1 days Advisory disclosed
06/02/2026 +0 days VulDB entry created
06/03/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: kiro.dev
Researcher: Cymulate
Status: Confirmed

CVE: CVE-2026-10591 (🔒)
GCVE (CVE): GCVE-0-2026-10591
GCVE (VulDB): GCVE-100-367980
EUVD: 🔒

Entryinfo

Created: 06/02/2026 19:00
Updated: 06/03/2026 09:30
Changes: 06/02/2026 19:00 (78), 06/03/2026 09:30 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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