CVE-2026-5774— Juju API Server Denial of Service and Authentication Replay via Unsynchronized Token Map
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I. Basic Information for CVE-2026-5774
Vulnerability Information
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Vulnerability Title
Juju API Server Denial of Service and Authentication Replay via Unsynchronized Token Map
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Juju 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juju是Canonical Juju开源的一个开源应用程序编排引擎。 Juju 4.0.5版本、3.6.20版本和2.9.56版本存在安全漏洞，该漏洞源于API服务器中userTokens映射的同步不当，可能导致经过身份验证的用户对服务器发起拒绝服务攻击或重复使用一次性放电令牌。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-5774
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IV. Related Vulnerabilities
Same product: Juju
- CVE-2026-5412
Juju CloudSpec API could leak senstive information - CVE-2025-68153
Juju: Resource poisoning - CVE-2025-68152
Juju: Read All Controller Logs From Compromised Workload - CVE-2026-4370
Improper TLS Client/Server authentication and certificate ve - CVE-2026-32694
Insecure Direct Object Reference attack via predictable secr
Same vendor: Canonical
- CVE-2026-6970
authd Denial of Service and Local Privilege Escalation - CVE-2026-6369
Exposed Session Token in canonical-livepatch client snap - CVE-2026-5412
Juju CloudSpec API could leak senstive information - CVE-2025-14551
Senstive information disclosure was affecting subiquity - CVE-2025-15480
Senstive information disclosure was affecting ubuntu-desktop
V. Comments for CVE-2026-5774
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