Medium (6.5) in canonical juju. EPSS 0.2% chance of exploitation in the next 30 days. Fixed in github.com/juju/juju 0.0.0-20260319091847-d06919eb03ec.
An authorization bypass vulnerability in the Vault secrets back-end implementation of Juju versions 3.1.6 through 3.6.18 allows an authenticated unit agent to perform unauthorized updates to secret revisions. With sufficient information, an attacker can poison any existing secret revision within the scope of that Vault secret back-end.
Severity
CVSS 3.1
6.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)