CVE-2026-19016 — Authorization bypass for session deletion in the transaction API
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 tr…
Published: 2026-08-07 · CVSS: 4.2 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7