CVE-2026-19014 — Uncontrolled resource consumption in the Consul Connect authorization endpoint

CVE-2026-19014

Uncontrolled resource consumption in the Consul Connect authorization endpoint PUBLISHED

Description (CNA)

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable configuration. This vulnerability, CVE-2026-190124, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

Affected (CNA)

Vendor / product	Versions
HashiCorp / Consul	affected 1.17.0 before 2.0.3
HashiCorp / Consul Enterprise	affected 1.17.0 before 2.0.3

CWE

CWE-770

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.