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CVE-2026-19113

Unauthenticated denial of service via unbounded request body processing

MEDIUM
5.3
CVSS Score
Published: August 7, 2026 at 07:20 PM UTC
Updated: August 28, 2026 at 04:02 PM UTC
1 product affected across 1 vendorConsul

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

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

Consul· Hashicorp
60%
1.3.0 ≤ v < 2.0.31.3.0
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 exploitAutomatablePartial impact

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

CVSS

5.3MEDIUMHashiCorp
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-400

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