CVE-2026-105608 (GCVE-0-2026-105608)

Vulnerability from cvelistv5 – Published: 2026-10-26 17:52 – Updated: 2026-10-26 19:38
VLAI
Title
Consul vulnerable to an authorization bypass in service mesh registration
Summary
HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 19:05 UTC
CWE
  • CWE-178 - Improper Handling of Case Sensitivity
Assigner
HashiCorp CNA under the mitre root
CNA scorecard C 70/100 over 46 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
HashiCorp Consul Affected: 2.0.4 , < 2.1.0 (semver)
guessed Create a notification for this product.
HashiCorp Consul Enterprise Affected: 2.0.4 , < 2.1.0 (semver)
guessed Create a notification for this product.
Credits
This issue was reported to HashiCorp by Immad Sahin of ZeroTrail and Yonghwa Lee of Theori.
Show details on NVD website
To clipboard 

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