CVE-2026-56310 PUBLISHED

Cap-go - Authorization Bypass in Organization Members Endpoint via API Key Scope Bypass

Assigner: VulnCheck
Reserved: 20.06.2026 Published: 24.06.2026 Updated: 24.06.2026

Cap-go before 12.128.2 contains an authorization bypass vulnerability in the GET /organization/members endpoint that allows org-limited API keys to bypass limited_to_orgs restrictions. Attackers with org-limited API keys can read membership data including uid, email, image_url, role, and is_tmp from organizations outside their assigned scope.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Cap-go
Product	capgo
Versions	Default: unaffected affected from 0 to 12.128.2 (excl.) Version 12.128.2 is unaffected

CVE-2026-56310 PUBLISHED

Cap-go - Authorization Bypass in Organization Members Endpoint via API Key Scope Bypass

Metrics

Product Status

Credits

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Problem Types