Read the docs
TI-2021-18437 Aliases CVE-2021-41805GHSA-crxx-35wq-w63c

HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4…

Priority MEDIUM 64CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

Summary

HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.

Why it matters now

EPSS 0.3479 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*1.7.0 to before 1.8.17; 1.9.0 to before 1.9.11; 1.10.0 to before 1.10.4VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.7.0 to before 1.8.17; 1.9.0 to before 1.9.11; 1.10.0 to before 1.10.4 Vulnerable ·HashiCorp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41805
  2. 2026-10-03 Alias added: GHSA-crxx-35wq-w63c

References

  • 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
  • TI-2021-15279 HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents… CVSS 3.1HIGH 8.8
See all 34 →

Sources