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Vulnerabilities CVE-2026-19016

CVE-2026-19016

Medium
Open
TLP:CLEAR

Authorization bypass for session deletion in the transaction API

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Description

Consul Community Edition and Consul Enterprise 1.19.1 through 2.0.2 did not enforce the {{session:write}} ACL permission for session deletion operations submitted through the transaction API. An authenticated caller with network access to the Consul server RPC port could delete arbitrary sessions without holding the required permission. This vulnerability, CVE-2026-19016, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

Details

CVSS Score
4.2
EPSS Score
0.21%

11.6th percentile

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