CVE-2026-56335
Capgo - Channel Configuration Mutation via Write-Scoped API Keys
- State
- Published
- Severity
- 7.1 High
- Published
- Jul 10, 2026
- Updated
- Jul 10, 2026
- Reserved
- Jun 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | 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 | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | VulnCheck |
Weaknesses
- CWE-284 Improper Access Control
Affected Products
| Product | Versions |
|---|---|
CapgoCapgo |
|
References
- GitHub Security Advisory (GHSA-ph9c-vwjq-pqhj)vendor-advisory
- VulnCheck Advisory: Capgo - Channel Configuration Mutation via Write-Scoped API Keysthird-party-advisory
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