CVE-2026-5774

Improper synchronization of the userTokens map in the API server in Canonical Juju 4.0.5, 3.6.20, and 2.9.56 may allow an authenticated user to possibly cause a denial of service on the server or possibly reuse a single-use discharge token...

EUVD-2026-21366

Juju: In-Memory Token Store for Discharge Tokens Lacks Concurrency Safety and Persistence...

GHSA-7M55-2HR4-PW78 Juju: In-Memory Token Store for Discharge Tokens Lacks Concurrency Safety and Persistence

Summary The localLoginHandlers struct in the Juju API server maintains an in-memory map to store discharge tokens following successful local authentication. This map is accessed concurrently from multiple HTTP handler goroutines without any synchronization primitive protecting it. The absence of ...

Juju: Read All Controller Logs From Compromised Workload

Summary It is possible that a compromised workload machine under a Juju controller can read any log file for any entity in any model at any level. There is a debug log endpoint in the API server that allows streaming of logs off of the controller. To access this endpoint you must be authenticatio...

Operation on a Resource after Expiration or Release

Overview Affected versions of this package are vulnerable to Operation on a Resource after Expiration or Release in the macaroon validation for cross-model authorization. An attacker can maintain unauthorized access to resources by crafting and submitting an invalid macaroon that is incorrectly...