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Vulnerabilities CVE-2026-19017

CVE-2026-19017

Medium
Open
TLP:CLEAR

Consul vulnerable to partial arbitrary file read via Vault Connect CA provider

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Description

Consul Community Edition and Consul Enterprise 1.18.21 through 2.0.2 are vulnerable to a partial arbitrary file read when configured to use the Vault Connect CA provider with JWT or AppRole authentication. A privileged attacker with `operator:write` permission may direct Consul to read and forward credential files outside the intended scope, potentially leading to the exfiltration of sensitive secrets from the Consul server host. This vulnerability, CVE-2026-19017, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

Details

CVSS Score
6.8
EPSS Score
0.33%

25.5th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Confidence
90%
Published
Aug 7, 2026
Last Modified
Aug 10, 2026
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