← Back

CVE-2026-5774

nvd nist
Published: Apr 10, 2026Modified: Jun 17, 2026

JSON object

Loading...
6.0
Vector
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
Show more
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:XShow less
Source: security@ubuntu.com (Secondary)

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 (3)

Products: Canonical: Juju
Canonical
1 product
Juju
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Juju
Before 2.9.57
Juju
From 3.0 to 3.6.21
Juju
From 4.0 to 4.0.6

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (4)

Source: security@ubuntu.com
Issue Tracking
Source: security@ubuntu.com
Issue Tracking
Source: security@ubuntu.com
ExploitThird Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
ExploitThird Party Advisory

Timeline

No history available yet.