CVE-2026-88860
Capgo Authorization Bypass via Stale Channel Permission Overrides
- State
- Published
- Severity
- 9.3 Critical
- Published
- Sep 10, 2026
- Updated
- Sep 30, 2026
- Reserved
- Sep 10, 2026
Description
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 Attackers can retain channel-specific permissions after their base RBAC access has been revoked to perform unauthorized actions like changing production OTA versions.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
capgo.appCap-go |
|
References
- GitHub Security Advisory (GHSA-qfxq-2ch8-hjg9)vendor-advisory
- VulnCheck Advisory: Capgo Authorization Bypass via Stale Channel Permission Overridesthird-party-advisory
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