CVE-2026-11931
Bulletin ID: 2026-045-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 06/15/2026 11:45 AM PDT Description: Kiro IDE is an agentic development environment that makes it easy for developers to ship real engineering work with the help of AI agents. We identified CVE-2026-11931, where incorrect default permissions in Kiro IDE on macOS and Linux before version 0.11.133 could expose the authentication token cache file to other local users or processes via world-readable permissions (0644) instead of owner-restricted permissions (0600). Impacted versions: < 0.11.133 Please refer to the article below for the most up-to-date and complete information related to this AWS Security Bulletin.
CSIRTS triage
- What
- Incorrect default permissions could expose the authentication token cache file to other local users.
- Who is affected
- Users of Kiro IDE on macOS and Linux before version 0.11.133.
- Urgency
- Remediation is important to prevent unauthorized access to sensitive information.
- Action
- Update Kiro IDE to version 0.11.133 or later.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-11931
Get an email if CVE-2026-11931 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Advisory coverage (1)
- unknownCVE-2026-11931 - Insecure Permissions on Authentication Token Cache File in Kiro IDEaws · 2026-06-15
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-11931)