---
id: CVE-2026-100626
title: >-
  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
summary: >-
  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 b…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-639
vendor: Cap-go
product: capgo.app
affected:
  - capgo.app <= 12.128.2
published: '2026-09-26'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T14:16:43.703'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100626'
references:
  - url: >-
      https://github.com/Cap-go/capgo.app/security/advisories/GHSA-84xq-4rv7-p252
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/capgo-through-12.128.2-idor-via-put-app-icon-endpoint
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-26T14:34:20.428Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.