CVE-2026-19016
Medium
Description
Consul Community Edition and Consul Enterprise 1.19.1 through 2.0.2 did not enforce the {{session:write}} ACL permission for session deletion operations submitted through the transaction API. An authenticated caller with network access to the Consul server RPC port could delete arbitrary sessions without holding the required permission. This vulnerability, CVE-2026-19016, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
SeverityMedium
CVSS4.2
Exploit probability—
ProductConsul
PublishedAug 7, 2026
First seenAug 7, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- HashiCorp Consul2.0.3 or later
- HashiCorp Consul Enterprise2.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| HashiCorp Consul | 1.19.1 ≤ v < 2.0.3 | 2.0.3 |
| HashiCorp Consul Enterprise | 1.19.1 ≤ v < 2.0.3 | 2.0.3 |
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