CVE-2026-100626

capgo through 12.128.2 contains an insecure direct object reference vulnerability in the PUT /app/:appId endpoint that accepts attacker-controlled icon storage paths. Authenticated users can supply arbitrary paths in the private images bucket and obtain service-role-signed URLs valid for 7 days to read cross-tenant objects including user avatars, organization logos, and app icons without authorization.

• https://github.com/Cap-go/capgo.app/security/advisories/GHSA-84xq-4rv7-p252
• https://www.vulncheck.com/advisories/capgo-through-12.128.2-idor-via-put-app-icon-endpoint