What’s Vulnerable › Vulnerabilities

CVE-2026-100626: capgo through 12.128.2 IDOR via PUT /app icon endpoint

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-26 · updated 2026-09-28
• Weakness: CWE-639

Description

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.

Affected products

• Cap-go capgo.app: through 12.128.2

References

• 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

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