HashiCorp
CVE-2026-105608: HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write pe
CVE-2026-105608 Oct 26, 2026 Source: Vendor
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.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-105608
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CVE-2026-105608
BR2026-0000-033100
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Credited as This issue was reported to HashiCorp by Immad Sahin of ZeroTrail and Yonghwa Lee of Theori