CVE-2026-56253 Capgo - Unauthenticated Organization Member Email Disclosure via get_org_members RPC
Unauthenticated attackers can enumerate organization members and retrieve sensitive email addresses via the public RPC endpoint.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56253?
CVE-2026-56253 is a high-severity vulnerability in Capgo, published on 21 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-284
Which versions are affected by CVE-2026-56253?
How do I fix CVE-2026-56253?
No fix has been published for CVE-2026-56253 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56253 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56253 exists.
Sources
Also known as GHSA-hch8-5p6h-pqxh, GHSA-x34h-gc65-f6g4.