Vulnerability · Published Sep 10, 2026 · Assigned by VulnCheck
CVE-2026-88860Capgo Authorization Bypass via Stale Channel Permission Overrides
Medium 6.3
In plain English
A medium-severity incorrect authorization in capgo.app from Cap-go. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.3%top 80.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 Attackers can retain channel-specific permissions after their base RBAC access has been revoked to perform unauthorized actions like changing production OTA versions.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
References
- GitHub Security Advisory (GHSA-qfxq-2ch8-hjg9) vendor-advisory
- VulnCheck Advisory: Capgo Authorization Bypass via Stale Channel Permission Overrides third-party-advisory