PT-2026-31910 · Canonical · Juju

Published 2026-04-10 · Updated 2026-04-10 · CVE-2026-5774

NVD

CVSS v4.0

6.0

Medium

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

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.

Exploit

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2026-5774

Affected Products

Juju

References · 6

• 🔥 https://github.com/juju/juju/security/advisories/GHSA-7m55-2hr4-pw78 · Exploit
• https://github.com/juju/juju/pull/22206 · Patch
• https://github.com/juju/juju/pull/22205 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-5774 · Security Note
• https://twitter.com/CVEnew/status/2042593148388675822 · Twitter Post
• https://twitter.com/infoflowcloud/status/2042593650899562524 · Twitter Post