CVE-2026-105608
CVE-2026-105608 · Consul vulnerable to an authorization bypass in service mesh registration
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.8 · High · EPSS 0.5% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
consul
- Versions
- ≥ 2.0.4, < 2.1.0: Affected (semver)
Update to 2.1.0
consul enterprise
- Versions
- ≥ 2.0.4, < 2.1.0: Affected; ≥ 1.21.18: Affected; ≥ 1.21.19: Not affected; ≥ 1.22.12: Affected (semver)
Update to 2.1.0
consul Ubuntu:18.04:LTS
- Versions
- 0.6.4~dfsg-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
consul Ubuntu:20.04:LTS
- Versions
- 1.0.7~dfsg1-5ubuntu1
- 1.4.4~dfsg1-2ubuntu2
- 1.5.2+dfsg1-6
- 1.5.2+dfsg1-10
- 1.5.2+dfsg1-12
- 1.5.2+dfsg2-14
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
consul Ubuntu:22.04:LTS
- Versions
- 1.7.4+dfsg1-1
- 1.8.7+dfsg1-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published