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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Canonical | Juju | unaffected |
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Fixes
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Workaround
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References
History
Fri, 10 Apr 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Juju API Server Denial of Service and Authentication Replay via Unsynchronized Token Map | |
| Weaknesses | CWE-362 | |
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| Metrics |
cvssV4_0
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MITRE
Status: PUBLISHED
Assigner: canonical
Published:
Updated: 2026-04-10T12:10:55.634Z
Reserved: 2026-04-08T07:22:06.115Z
Link: CVE-2026-5774
Vulnrichment
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NVD
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Redhat
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Weaknesses