CVE-2026-100617
8.8 HIGHpublic exploit availablePublished 2026-09-26 · Updated 2026-09-28
AI risk analysis
- Summary
- The flaw allows authenticated app/org admins to grant channel permissions to non-member users, enabling attackers with admin privileges to bypass organization membership checks and grant unauthorized access.
- Exploitability
- Exploitation is relatively straightforward for attackers with admin privileges, as they can insert override rows with arbitrary external user UUIDs.
- Blast radius
- If exploited, this flaw could lead to unauthorized access and control over sensitive channels, potentially compromising the integrity and confidentiality of the application and its data.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade to the latest version of Cap-go capgo.app, specifically version 2.590 or later, as published by the vendor.
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
Cap-go capgo.app fails to validate that principals in channel_permission_overrides belong to the organization, allowing authenticated app/org admins to grant channel permissions to non-member users. Attackers with admin privileges can insert override rows with arbitrary external user UUIDs to grant channel-scoped permissions such as channel.promote_bundle to users outside the organization.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-862
Public exploit & PoC references
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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