CVE-2026-15970CWE-647

CVE-2026-15970

Medium · published August 8, 2026

CVSS v3.1
4.2
EPSS
0%
Percentile
5.4
In the wild
Unconfirmed
What it is

Consul Community Edition and Consul Enterprise 1.20.1 through 2.0.2 are vulnerable to an L7 intention authorization bypass when a service proxy is configured with a custom public listener. An authenticated mesh workload may reach HTTP paths that are blocked by a path-based deny intention. This vulnerability, CVE-2026-15970, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

The record
Technical detail
CVSS v3.1
4.2 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00159 · 5.4th percentile
Weakness
CWE-647 · Use of Non-Canonical URL Paths for Authorization Decisions
Published
2026-08-08T00:16Z
References (1)
https://discuss.hashicorp.com/t/hcsec-2026-25-multiple-vulnerabilities-impacting-hashicorp-consul/77629 · [email protected]
EPSS history
Timeline
  • 07 AUG 19:20Z
    L7 intention authorization bypass via custom public listener
    cvelistv5