CVE-2026-19012CWE-476

CVE-2026-19012

Medium · published August 8, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
24.6
In the wild
Unconfirmed
What it is

Consul Community Edition and Consul Enterprise 1.18.0 through 2.0.2 are vulnerable to an authenticated denial of service in the Enterprise-to-Community Edition downgrade path that may allow an authorized caller to crash the Consul server. A caller with config-entry write permission can submit a service-router configuration entry that causes the agent to exit unexpectedly. This vulnerability, CVE-2026-19012, 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
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00327 · 24.6th percentile
Weakness
CWE-476 · NULL Pointer Dereference
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 19:18Z
    Authenticated denial of service in Consul Enterprise-to-Community Edition downgrade path
    cvelistv5