---
id: CVE-2026-88860
title: >-
  Capgo fails to clean up channel permission overrides when a user's last
  organization role binding is deleted, leaving stale overrides active
summary: >-
  Capgo fails to clean up channel permission overrides when a user's last
  organization role binding is deleted, leaving stale overrides active.
  Attackers can retain channel-specific permissions after their base RBAC access
  has been revoked…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-863
vendor: Cap-go
product: capgo.app
affected:
  - capgo.app
published: '2026-09-10'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T18:17:35.817'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88860'
references:
  - url: >-
      https://github.com/Cap-go/capgo.app/security/advisories/GHSA-qfxq-2ch8-hjg9
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/capgo-authorization-bypass-via-stale-channel-permission-overrides
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00273
epssPercentile: 0.17577
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-18T17:09:50.076691Z'
ingestedAt: '2026-09-10T13:50:37.334Z'
---

## Overview

Capgo fails to clean up channel permission overrides when a user's last organization role binding is deleted, leaving stale overrides active. Attackers can retain channel-specific permissions after their base RBAC access has been revoked to perform unauthorized actions like changing production OTA versions.

## Remediation

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