CVE-2026-45413— MaxKB: Unsalted MD5 Password Hashing
Possible ATT&CK Techniques 1AI
T1552.004 · Private KeysAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 1Panel-dev | MaxKB | < 2.9.1 | affected |
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I. Basic Information for CVE-2026-45413
Vulnerability Information
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Vulnerability Title
MaxKB: Unsalted MD5 Password Hashing
Source: NVD (National Vulnerability Database)
Vulnerability Description
MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.1, user passwords are stored using unsalted MD5 hashes, making them trivially crackable via rainbow tables or GPU-accelerated brute force (hashcat). This vulnerability is fixed in 2.9.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可逆的单向哈希
Source: NVD (National Vulnerability Database)
Vulnerability Title
MaxKB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MaxKB是1Panel-dev开源的一款基于大语言模型和 RAG 的开源知识库问答系统。 MaxKB 2.9.1之前版本存在安全漏洞，该漏洞源于用户密码使用未加盐的MD5哈希存储，可能导致通过彩虹表或GPU加速暴力破解轻松破解。
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 |
|---|---|---|---|---|
| 1Panel-dev | MaxKB | < 2.9.1 | - |
II. Public POCs for CVE-2026-45413
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-45413 (1)
- 🔗 Unsalted MD5 Password Hashing · Advisory · 1Panel-dev/MaxKB · GitHubx_refsource_CONFIRM
Same Patch Batch · 1Panel-dev · 2026-05-26 · 6 CVEs total
| CVE-2026-44847 | 7.5 HIGH | MaxKB: Webhook Trigger Authentication Bypass |
| CVE-2026-42337 | MaxKB: Broken Access Control in MaxKB OSS URL Fetch API | |
| CVE-2026-42336 | MaxKB: SSRF Bypass via DNS Rebinding in MaxKB OSS URL Fetch | |
| CVE-2026-42335 | MaxKB: SSRF Bypass in MaxKB OSS URL Fetch due to URL Parsing Discrepancy | |
| CVE-2026-45412 | MaxKB: Unauthenticated SSRF via Workflow Template Import |
IV. Related Vulnerabilities
Same product: MaxKB
- CVE-2026-42336
MaxKB: SSRF Bypass via DNS Rebinding in MaxKB OSS URL Fetch - CVE-2026-42337
MaxKB: Broken Access Control in MaxKB OSS URL Fetch API - CVE-2026-44847
MaxKB: Webhook Trigger Authentication Bypass - CVE-2026-45412
MaxKB: Unauthenticated SSRF via Workflow Template Import - CVE-2026-42335
MaxKB: SSRF Bypass in MaxKB OSS URL Fetch due to URL Parsing
Same vendor: 1Panel-dev
- CVE-2026-42336
MaxKB: SSRF Bypass via DNS Rebinding in MaxKB OSS URL Fetch - CVE-2026-42337
MaxKB: Broken Access Control in MaxKB OSS URL Fetch API - CVE-2026-44847
MaxKB: Webhook Trigger Authentication Bypass - CVE-2026-45412
MaxKB: Unauthenticated SSRF via Workflow Template Import - CVE-2026-42335
MaxKB: SSRF Bypass in MaxKB OSS URL Fetch due to URL Parsing
Same weakness: CWE-328
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V. Comments for CVE-2026-45413
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