Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect CA roots endpoint that may allow a remote caller to grow the agent's Connect CA roots cache without bound, defeating the operator's cache-disable configuration. This vulnerability, CVE-2026-19015, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
{
"cna_assigner": "HashiCorp",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19015.json",
"cwe_ids": [
"CWE-770"
],
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "1.2.0"
},
{
"fixed": "2.0.3"
},
{
"introduced": "1.2.0"
},
{
"fixed": "2.0.3"
}
],
"source": "AFFECTED_FIELD"
}
]
}