PT-2026-57174 · Cap Go · Cap-Go

Judel777 · Published 2026-07-10 · Updated 2026-07-10 · CVE-2026-56335

Mitre

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

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.

Exploit

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-56335

Affected Products

Cap-Go

References · 3

• 🔥 https://github.com/Cap-go/capgo/security/advisories/GHSA-ph9c-vwjq-pqhj · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-56335 · Security Note
• https://vulncheck.com/advisories/capgo-channel-configuration-mutation-via-write-scoped-api-keys · Note