CVE-2026-56253

Summary

Capgo before 12.128.2 contains an improper access control vulnerability in the public.get_org_members RPC function that allows unauthenticated attackers to enumerate organization members. Attackers can invoke the endpoint using only the public sb_publishable_* key and an organization UUID to retrieve sensitive member information including email addresses, user IDs, roles, and pending invitations.

Affected Software

Weaknesses

• CWE-284: Improper Access Control

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/Cap-go/capgo/security/advisories/GHSA-x34h-gc65-f6g4

References

• https://github.com/Cap-go/capgo/security/advisories/GHSA-x34h-gc65-f6g4
• https://www.vulncheck.com/advisories/capgo-unauthenticated-organization-member-email-disclosure-via-get-org-members-rpc

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