HashiCorpCVE-2026-19015
HashiCorp Consul: resource exhaustion
Fix: upgrade to 2.0.3 or later (2 fixed versions below)
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Consul Product | >= 1.2.0, < 2.0.3 | 2.0.3 |
| Consul Enterprise Product | >= 1.2.0, < 2.0.3 | 2.0.3 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-770