CVE-2026-105765
High
Description
HashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent's service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf certificate and its private key. This vulnerability (CVE-2026-105765) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.
SeverityHigh
CVSS7.5
Exploit probability—
ProductConsul
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- HashiCorp Consul2.1.0 or later
- HashiCorp Consul Enterprise2.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| HashiCorp Consul | 1.17.0 ≤ v < 2.1.0 | 2.1.0 |
| HashiCorp Consul Enterprise | 1.17.0 ≤ v < 2.1.0 | 2.1.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.