CVE-2026-56335

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductCapgo

PublishedJul 10, 2026

First seenJul 10, 2026

Weakness typeCWE-284Improper access control

How to fix

Update

Capgo Capgo12.128.2 or later

Vendor advisories

github.com/Cap-go/capgo/security/advisories/GHSA-ph9c-vwjq-pqhj

Affected products

Product	Affected versions	Fixed in
Capgo Capgo	v < 12.128.2	12.128.2

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