CVE-2026-19016

medium

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.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-54605

https://discuss.hashicorp.com/t/hcsec-2026-25-multiple-vulnerabilities-impacting-hashicorp-consul/77629

Details

Source: Mitre, NVD

Published: 2026-08-07

Updated: 2026-08-28

Named Vulnerability: GHSA-7qhj-3fg3-mh5r

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:N/AC:H/Au:S/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 4.2

Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

Severity: Medium

EPSS

EPSS: 0.00275