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6.1 Medium

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…

Description

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.

Affected products and versions

Product Affected versions Fixed in
Juju 4.0 4.0.0 → < 4.0.6 4.0.6
Juju 3.0 3.0.0 → < 3.6.21 3.6.21
Juju 2.0 2.0.0 → < 2.9.57 2.9.57

Other CVEs of Juju

The 13 CVEs of Juju →
CVE-2026-93336 Missing authorization in the unit resources download route in Canonical Juju 4.0 through 4.0.15 allows a… 7.1 High CVE-2026-5412 In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade 9.9 Critical CVE-2026-4370 A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the… 10.0 Critical CVE-2026-32694 In Juju from version 3.0.0 through 3.6.18, when a secret owner grants permissions to a secret to a grantee, the secret… 6.6 Medium
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