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TI-2023-03283 Aliases CVE-2023-3518GHSA-9rhf-q362-77mx

JWT Auth in L7 Intentions Allow For Mismatched Service Identity and JWT Providers for Access

Priority LOW 33CWE-266Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-266 and CWE-285.

Summary

HashiCorp Consul and Consul Enterprise 1.16.0 when using JWT Auth for service mesh incorrectly allows/denies access regardless of service identities. Fixed in 1.16.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00447 39th percentileScored 2026-11-07
Fix Fixed github.com/hashicorp/consul (Go): 1.16.1

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
HashiCorpConsul1.16.0—No fix listedCNA
HashiCorpConsul Enterprise1.16.0—No fix listedCNA
—github.com/hashicorp/consul (Go)1.16.0 to before 1.16.11.16.1Patch availableGHSA-9rhf-q362-77mx
  • Consul VendorHashiCorp Affected 1.16.0 Fixed in — No fix listed CNA
  • Consul Enterprise VendorHashiCorp Affected 1.16.0 Fixed in — No fix listed CNA
  • github.com/hashicorp/consul (Go) Vendor— Affected 1.16.0 to before 1.16.1 Fixed in 1.16.1 Patch available GHSA-9rhf-q362-77mx

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:consul:1.16.0:*:*:*:enterprise:*:*:*1.16.0VulnerableHashiCorp
cpe:2.3:a:hashicorp:consul:1.16.0:-:*:*:-:*:*:*1.16.0VulnerableHashiCorp
cpe:2.3:a:hashicorp:consul:1.16.0:rc1:*:*:-:*:*:*1.16.0 rc1VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:consul:1.16.0:*:*:*:enterprise:*:*:* Versions 1.16.0 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:consul:1.16.0:-:*:*:-:*:*:* Versions 1.16.0 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:consul:1.16.0:rc1:*:*:-:*:*:* Versions 1.16.0 rc1 Vulnerable ·HashiCorp

Remediation

  • Fix · GHSA-9rhf-q362-77mx github.com/hashicorp/consul (Go) Fixed in 1.16.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3518
  2. 2026-10-03 Alias added: GHSA-9rhf-q362-77mx

References

Advisory 2

Other 1

  • 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