PT-2026-89567 · Hashicorp · Hashicorp Consul+1
CVE-2026-87106
·
Published
2026-09-10
·
Updated
2026-09-10
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Consul and Consul Enterprise are vulnerable to a denial of service in the native RPC listener that may allow an authenticated client to exhaust server memory before ACL authorization is evaluated. A client that can complete the internal RPC mTLS handshake may exploit this issue without holding a valid ACL token. This vulnerability (CVE-2026-87106) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.
Fix
Resource Exhaustion
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Weakness Enumeration
Related Identifiers
Affected Products
Hashicorp Consul
Hashicorp Consul Enterprise