---
cve: "CVE-2026-5774"
severity: "MEDIUM"
cvss: 6.1
epss: "24%"
vendor: "Canonical"
kev: false
exploited: false
published: "2026-04-10 13:16:46"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T20:06:24+02:00"
---

# CVE-2026-5774

> 6.1 MEDIUM · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 50bd2ae2c22c5de86aef5b678cd75228107165f6 (Commit)
- d395054dc2c360690239f2aedc6fd3ae9b46e279 (Commit)

## Referenzen

- <https://github.com/juju/juju/security/advisories/GHSA-7m55-2hr4-pw78>
- <https://github.com/juju/juju/pull/22206>
- <https://github.com/juju/juju/pull/22205>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-5774) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_