CVE-2026-56253
HIGHCapgo - Unauthenticated Organization Member Email Disclosure via get_org_members RPC
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GHSA Advisory GHSA-x34h-gc65-f6g4
https://github.com/Cap-go/capgo/security/advisories/GHSA-x34h-gc65-f6g4
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Unauthenticated Organization Member Email Disclosure via get_org_members RPC
https://www.vulncheck.com/advisories/capgo-unauthenticated-organization-member-email-disclosure-via-get-org-members-rpc
Scores
CVSS v3
7.5
EPSS
0.0025
EPSS Percentile
16.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-284
Status
published
Products (2)
Capgo/Capgo
< 12.128.2
Capgo/Capgo
12.128.2
Published
Jun 21, 2026
Tracked Since
Jun 21, 2026