How severe is CVE-2026-10591?

CVE-2026-10591 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-10591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-10591?

CVE-2026-10591 affects Amazon Kiro Ide. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-10591?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-10591 have an EU (EUVD) identifier?

Yes. CVE-2026-10591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33964.

When was CVE-2026-10591 published?

CVE-2026-10591 was published on 2026-06-02 and last updated on 2026-06-17.

CVE-2026-10591

CVE-2026-10591 is a high-severity vulnerability in Amazon Kiro Ide with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.6
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33964
Weakness: CWE-732
Affected product: Amazon Kiro Ide
Published: 2026-06-02
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-10591?: 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.
How severe is CVE-2026-10591?: CVE-2026-10591 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-10591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-10591?: CVE-2026-10591 affects Amazon Kiro Ide. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-10591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-10591 have an EU (EUVD) identifier?: Yes. CVE-2026-10591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33964.
When was CVE-2026-10591 published?: CVE-2026-10591 was published on 2026-06-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:amazon:kiro_ide:*:*:*:*:*:*:*:*

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