What is CVE-2026-88860?

CVE-2026-88860 is a medium-severity vulnerability, classified under Incorrect Authorization. CVSS score: 6.3/10. Published 2026-09-10.

How severe is CVE-2026-88860?

Medium severity. CVSS v3 base score is 6.3 out of 10.

CVE-2026-88860

CVE-2026-88860

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 Attackers can retain channel-specific permissions after their base RBAC access has been revoked to perform unauthorized actions like changing production OTA versions.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-88860?: CVE-2026-88860 is a medium-severity vulnerability, classified under Incorrect Authorization. CVSS score: 6.3/10. Published 2026-09-10.
How severe is CVE-2026-88860?: Medium severity. CVSS v3 base score is 6.3 out of 10.