Auth bypass in Kortix-Ai Suna
CVE-2026-66027
Suna before 0.9.102 contains a broken access control vulnerability in the message queue API that allows authenticated attackers to access and manipulate queue resources belonging to other users by exploiting missing ownership and account isolation checks. Attackers can read pending prompt queues of all users, read or delete individual sessions, and inject arbitrary prompts into another user's session queue, causing the background drainer to forward malicious messages to the victim's running AI agent with the victim's credentials and permissions.
Vulnerability class: Broken Access Control
EPSS: 0.003 (18.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.
Affected products
- Kortix-ai Suna — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (release-notes, patch)
- disclosure@vulncheck.com (issue-tracking, patch)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-66027?
- CVE-2026-66027 is a high-severity vulnerability in Kortix-Ai Suna, classified under Missing Authorization. CVSS score: 8.3/10. Published 2026-07-24.
- How severe is CVE-2026-66027?
- High severity. CVSS v3 base score is 8.3 out of 10.