Advisories

Capgo - Channel Configuration Mutation via Write-Scoped API Keys

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severity
medium
date
Affecting
  • Capgo >= 0, < 12.128.2

CWE
  • CWE-284 Improper Access Control
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
Judel777
Description
Capgo before 12.128.2 contains an authorization bypass vulnerability where write-scoped API keys can directly mutate protected channel configuration fields through PostgREST by exploiting a null authentication check in the immutability trigger. Attackers with write API keys can modify sensitive channel attributes such as public, allow_emulator, and security-related flags outside intended application routes.

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