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TI-2024-09349 Aliases CVE-2024-10086GHSA-99wr-c2px-grmh

Consul Vulnerable To Reflected XSS On Content-Type Error Manipulation

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
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-79.

Summary

A vulnerability was identified in Consul and Consul Enterprise such that the server response did not explicitly set a Content-Type HTTP header, allowing user-provided inputs to be misinterpreted and lead to reflected XSS.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00404 34th percentileScored 2026-11-07
Fix Partial Consul (HashiCorp): 1.20.0Consul Enterprise (HashiCorp): 1.20.0+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
HashiCorpConsul1.4.1 to before 1.20.01.20.0Patch availableCNA
HashiCorpConsul Enterprise1.4.1 to before 1.20.01.20.0Patch availableCNA
—github.com/hashicorp/consul (Go)1.4.1 to before 1.20.01.20.0Patch availableGHSA-99wr-c2px-grmh
  • Consul VendorHashiCorp Affected 1.4.1 to before 1.20.0 Fixed in 1.20.0 Patch available CNA
  • Consul Enterprise VendorHashiCorp Affected 1.4.1 to before 1.20.0 Fixed in 1.20.0 Patch available CNA
  • github.com/hashicorp/consul (Go) Vendor— Affected 1.4.1 to before 1.20.0 Fixed in 1.20.0 Patch available GHSA-99wr-c2px-grmh

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*1.4.1 to before 1.15.15VulnerableHashiCorp
cpe:2.3:a:hashicorp:consul:*:*:*:*:community:*:*:*1.4.1 to before 1.20.0VulnerableHashiCorp
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*1.18.0 to before 1.18.5; 1.19.0 to before 1.19.3VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.4.1 to before 1.15.15 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:community:*:*:* Versions 1.4.1 to before 1.20.0 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.18.0 to before 1.18.5; 1.19.0 to before 1.19.3 Vulnerable ·HashiCorp

Remediation

  • Fix · CNA Consul (HashiCorp) Fixed in 1.20.0
  • Fix · CNA Consul Enterprise (HashiCorp) Fixed in 1.20.0
  • Fix · GHSA-99wr-c2px-grmh github.com/hashicorp/consul (Go) Fixed in 1.20.0 Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat OpenShift Dev SpacesAffectedNo fix planned: Will not fix

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-10086
  2. 2026-10-03 Alias added: GHSA-99wr-c2px-grmh

References

  • 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