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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-284"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56335.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "12.128.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "12.128.2"
}
],
"source": "DESCRIPTION"
}
]
}