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TI-2025-10422 Aliases CVE-2025-11375GHSA-qh7p-pfq3-677h

Consul's event endpoint is vulnerable to denial of service

Priority LOW 29CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-770.

Summary

Consul and Consul Enterprise’s (“Consul”) event endpoint is vulnerable to denial of service (DoS) due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00425 37th percentileScored 2026-11-07
Fix Partial Consul (HashiCorp): 1.22.0Consul Enterprise (HashiCorp): 1.22.0+1 more productRed Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HashiCorpConsulbefore 1.22.01.22.0Patch availableCNA
HashiCorpConsul Enterprisebefore 1.22.01.22.0Patch availableCNA
—github.com/hashicorp/consul (Go)before 1.22.01.22.0Patch availableGHSA-qh7p-pfq3-677h
  • Consul VendorHashiCorp Affected before 1.22.0 Fixed in 1.22.0 Patch available CNA
  • Consul Enterprise VendorHashiCorp Affected before 1.22.0 Fixed in 1.22.0 Patch available CNA
  • github.com/hashicorp/consul (Go) Vendor— Affected before 1.22.0 Fixed in 1.22.0 Patch available GHSA-qh7p-pfq3-677h

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*before 1.18.12VulnerableHashiCorp
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*before 1.22.0VulnerableHashiCorp
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*1.19.0 to before 1.20.8; 1.21.0 to before 1.21.6VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions before 1.18.12 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* Versions before 1.22.0 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.19.0 to before 1.20.8; 1.21.0 to before 1.21.6 Vulnerable ·HashiCorp

Remediation

  • Fix · CNA Consul (HashiCorp) Fixed in 1.22.0
  • Fix · CNA Consul Enterprise (HashiCorp) Fixed in 1.22.0
  • Fix · GHSA-qh7p-pfq3-677h github.com/hashicorp/consul (Go) Fixed in 1.22.0 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    HashiCorp Consul, Consul Enterprise 1.22.0

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2025-10421 Consul's KV endpoint is vulnerable to denial of servicePriority LOW 29
    Show all 2 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Dev SpacesAffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-11375
  2. 2026-10-03 Alias added: GHSA-qh7p-pfq3-677h

References

Advisory 2

Other 5

  • TI-2021-18437 HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4… CVSS 3.1HIGH 8.8
  • TI-2022-11698 HashiCorp Consul and Consul Enterprise up to 1.9.16, 1.10.9, and 1.11.4 may allow server… CVSS 3.1HIGH 7.5
  • TI-2021-02215 An issue was discovered in GoGo Protobuf before 1.3.2. CVSS 3.1HIGH 8.6
  • TI-2024-09286 Consul L7 Intentions Vulnerable To Headers Bypass CVSS 3.1HIGH 8.3
  • TI-2023-02638 Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner CVSS 3.1HIGH 8.7
  • TI-2022-03595 Consul Peering Imported Nodes/Services Leak CVSS 3.1HIGH 7.5
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences