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Consul vulnerable to an authorization bypass in service mesh registration

Exact source revision recorded 26 Oct 2026 20:35:31 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-105608

Published

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 published
26 Oct 2026 17:52:33 UTC
Source modified
26 Oct 2026 19:38:29 UTC
Observed here
26 Oct 2026 20:35:31 UTC
Source terms
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CVSS 3.1 · 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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Sources read 3 Nov 15:30 UTC · 273 of 275 readable · 270 fully read · documentation 469/469 current