CVE-2026-19113

MEDIUM 5.3

Unauthenticated denial of service via unbounded request body processing

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

Consul Community Edition and Consul Enterprise 1.3.0 through 2.0.2 are vulnerable to an unauthenticated denial of service in several agent HTTP API endpoints. A remote caller could cause the agent to consume substantial memory before the request was rejected. This vulnerability, CVE-2026-19113, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

CWE	CWE-400
Vendor	hashicorp
Product	consul
Published	Aug 7, 2026

Stay Ahead of the Next One

Get instant alerts for hashicorp consul

Be the first to know when new medium vulnerabilities affecting hashicorp consul are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

HashiCorp / Consul

1.3.0 < 2.0.3

HashiCorp / Consul Enterprise

1.3.0 < 2.0.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

discuss.hashicorp.com: https://discuss.hashicorp.com/t/hcsec-2026-25-multiple-vulnerabilities-impacting-hashicorp-consul/77629

Credits

This issue was reported by Yazdan Soltani.