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 Attackers can retain channel-specific permissions after their base RBAC access has been revoked to perform unauthorized actions like changing production OTA versions.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cap-go capgo.app unaffected —

No data.

No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/Cap-go/capgo.app/security/advisories/GHSA-qfxq-2ch8-hjg9 cve-icon cve-icon
https://www.vulncheck.com/advisories/capgo-authorization-bypass-via-stale-channel-permission-overrides cve-icon cve-icon
History

Thu, 10 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
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 Attackers can retain channel-specific permissions after their base RBAC access has been revoked to perform unauthorized actions like changing production OTA versions.
Title Capgo Authorization Bypass via Stale Channel Permission Overrides
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-10T13:05:17.660Z

Reserved: 2026-09-10T11:23:56.026Z

Link: CVE-2026-88860

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-09-10T14:17:11.527

Modified: 2026-09-10T15:13:07.090

Link: CVE-2026-88860

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-10T15:45:05Z

Weaknesses