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
canonical: juju
References4
- github.com/juju/juju/security/advisories/GHSA-7m55-2hr4-pw78 ExploitThird Party Advisory
- github.com/juju/juju/security/advisories/GHSA-7m55-2hr4-pw78 ExploitThird Party Advisory
- github.com/juju/juju/pull/22205 Issue Tracking
- github.com/juju/juju/pull/22206 Issue Tracking
Metrics
- CVSS 3.1
-
6.4
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H - CVSS 4.0
-
6.0
MEDIUM
Score source: CNA
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 - EPSS — exploit probability
- 0% percentile: 17 · as of 12 November 2026
- CWE
- CWE-362
Could this be exploited in your environment?
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