Report: CVE-2026-23480 - Blinko: Low Privilege User Privilege Escalation - upsertUser Endpoint - 2025 Update
CVE ID :CVE-2026-23480 Published : March 23, 2026, 9:17 p.m. | 35 minutes ago Description :Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is a privilege escalation vulnerability. The upsertUser endpoint has 3 issues: it is missing superAdminAuthMiddleware, any logged-in user can call it; the originalPassword is an optional parameter and if not provided password verification is skipped; there is no check for input.id === ctx.id (ownership verification). This could result in any authenticated user modifying other users' passwords, direct escalation to superadmin, and complete account takeover. This issue has been patched in version 1.8.4. Severity: 5.3 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...