HashiCorpCVE-2026-19014
HashiCorp Consul: resource exhaustion
Medium4.3CVE-2026-19014 · Published Aug 7, 2026 · updated Aug 28, 2026
Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable configuration. This vulnerability, CVE-2026-190124, 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 | >= 1.17.0, < 2.0.3 | 2.0.3 |
| Consul Enterprise Product | >= 1.17.0, < 2.0.3 | 2.0.3 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-770
More HashiCorp advisories
All HashiCorp| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 7 | HashiCorp Consul: denial of service | High7.5 | 2.0.3+1 more |
| Aug 7 | HashiCorp Consul: denial of service | Medium5.3 | 2.0.3+1 more |
| Aug 7 | HashiCorp Consul: resource exhaustion | Medium5.3 | 2.0.3+1 more |
| Aug 7 | HashiCorp Consul: path traversal | Medium4.2 | 2.0.3+1 more |
| Aug 7 | HashiCorp Consul: arbitrary file read | Medium6.8 | 2.0.3+1 more |
| Aug 7 | HashiCorp Consul: denial of service | Medium5.3 | 2.0.3+1 more |