CVE-2026-27584— ActualBudget server is Missing Authentication for SimpleFIN and Pluggy AI bank sync endpoints
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-27584
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
ActualBudget server is Missing Authentication for SimpleFIN and Pluggy AI bank sync endpoints
Source: NVD (National Vulnerability Database)
Vulnerability Description
Actual is a local-first personal finance tool. Prior to version 26.2.1, missing authentication middleware in the ActualBudget server component allows any unauthenticated user to query the SimpleFIN and Pluggy.ai integration endpoints and read sensitive bank account balance and transaction information. This vulnerability allows an unauthenticated attacker to read the bank account balance and transaction history of ActualBudget users. This vulnerability impacts all ActualBudget Server users with the SimpleFIN or Pluggy.ai integrations configured. The ActualBudget Server instance must be reachable over the network. Version 26.2.1 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
actual 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
actual是Actual开源的一个个人理财工具。 Actual 26.2.1之前版本存在访问控制错误漏洞，该漏洞源于ActualBudget服务器组件缺少身份验证中间件，可能导致未经验证的用户读取敏感银行账户信息。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| actualbudget | actual | < 26.2.1 | - |
II. Public POCs for CVE-2026-27584
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-27584
请登录查看更多情报信息。
IV. Related Vulnerabilities
Same weakness: CWE-306
- CVE-2021-47940
WordPress Download From Files 1.48 Arbitrary File Upload - CVE-2021-47936
OpenCATS 0.9.4 Remote Code Execution via Resume Upload - CVE-2021-47933
WordPress MStore API 2.0.6 Arbitrary File Upload - CVE-2026-8185
UGREEN CM933 Administrative missing authentication - CVE-2026-42302
FastGPT: Unauthenticated Remote Code Execution (RCE) via cod
V. Comments for CVE-2026-27584
No comments yet