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Advisories

Capgo - Unauthenticated Cross-Tenant Metrics Poisoning via upsert_version_meta RPC

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severity
medium
date
Affecting

  • Capgo >= 0, < 12.128.2

CWE
  • CWE-862 Missing Authorization
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
Judel777
Description
Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.upsert_version_meta SECURITY DEFINER function exposed via PostgREST RPC, allowing unauthenticated attackers to insert arbitrary rows into version_meta for any app_id. Attackers can exploit this by calling the RPC endpoint with a public anon key to poison storage metrics, causing persistent false data in dashboards and triggering incorrect alerts across victim applications.

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