CVE-2026-88860 Capgo Authorization Bypass via Stale Channel Permission Overrides
Attackers retain unauthorized channel permissions after role revocation, allowing them to modify production OTA versions in Capgo.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88860?
CVE-2026-88860 is a critical missing authorization vulnerability in Cap-go capgo.app, published on 10 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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 Attackers can retain channel-specific permissions after their base RBAC access has been revoked to perform unauthorized actions like changing production OTA versions.
Weakness: CWE-863
Which versions are affected by CVE-2026-88860?
How do I fix CVE-2026-88860?
No fix has been published for CVE-2026-88860 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-88860 being exploited?
There is no known exploitation of CVE-2026-88860 in the wild and no public exploit code.
Sources
Also known as GHSA-5rmr-6c73-3q3m.