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Vulnerabilities CVE-2026-19012

CVE-2026-19012

Medium
Open
TLP:CLEAR

Authenticated denial of service in Consul Enterprise-to-Community Edition downgrade path

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Description

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.

Details

CVSS Score
5.3
EPSS Score
0.25%

15.7th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Confidence
90%
Published
Aug 7, 2026
Last Modified
Aug 10, 2026
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