CVE-2026-5774

published 2026-04-10

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…

Priority P4 32 medium 6.4 CVSS 3.1

AV N AC H PR L UI N S U C L I L A H

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

7 ranges

Vendor	Product	Version range	Fixed in
canonical	juju	< 2.9.57	2.9.57
canonical	juju	>= 2.0.0 < 2.9.57	2.9.57
canonical	juju	>= 3.0 < 3.6.21	3.6.21
canonical	juju	>= 3.0.0 < 3.6.21	3.6.21
canonical	juju	>= 4.0 < 4.0.6	4.0.6
canonical	juju	>= 4.0.0 < 4.0.6	4.0.6
github.com	juju_juju	>= 0 < 0.0.0-20260408003526-d395054dc2c3	0.0.0-20260408003526-d395054dc2c3

CVSS provenance

nvd v3.1 6.4 MEDIUM CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

nvd v4.0 6.0 MEDIUM CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-362