CVE-2026-19014

Uncontrolled resource consumption in the Consul Connect authorization endpoint

MEDIUM

4.3

CVSS Score

Published: August 7, 2026 at 07:19 PM UTC

Updated: August 28, 2026 at 04:02 PM UTC

1 product affected across 1 vendorConsul

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Consul · Hashicorp

60%

1.17.0 ≤ v < 2.0.31.17.0

Affected range stops below 2.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMHashiCorp

Vector?

Quick Info

StatusAWAITING ANALYSIS

CWE

CWE-770

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