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Vulnerability record · public intelligence
CVE-2026-56310
MEDIUM

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

Published Jun 24, 2026 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.23%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

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

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5NVD-MODIFIED
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. Security advisory ↗
  2. www.vulncheck.com ↗

Record history

Published Jun 24, 2026 · Last refreshed Nov 3, 2026