CVE-2026-44051— Arbitrary file read via attacker-controlled symlink creation
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-44051
Vulnerability Information
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Vulnerability Title
Arbitrary file read via attacker-controlled symlink creation
Source: NVD (National Vulnerability Database)
Vulnerability Description
An improper link resolution vulnerability in Netatalk 3.0.2 through 4.4.2 allows a remote authenticated attacker to read arbitrary files or overwrite arbitrary files via attacker-controlled symlink creation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Netatalk 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netatalk是Netatalk开源的一款软件，为 Classic Mac OS 和 macOS 在 Unix-like OS 上提供 AFP 文件服务器功能。 Netatalk 3.0.2版本至4.4.2版本存在后置链接漏洞，该漏洞源于链接解析不当，可能导致远程认证攻击者通过攻击者控制的符号链接读取任意文件或覆盖任意文件。
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-2026-44051
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-44051 (1)
- 🔗 Netatalk - Netatalk Security Advisoryvendor-advisory
Same Patch Batch · Netatalk · 2026-05-21 · 33 CVEs total
| CVE-2026-44050 | 9.9 CRITICAL | Heap buffer overflow in CNID daemon comm_rcv() |
| CVE-2026-44047 | 8.8 HIGH | SQL injection in MySQL CNID backend |
| CVE-2026-44048 | 8.8 HIGH | Stack buffer overflow via UCS-2 type confusion in convert_charset() |
| CVE-2026-44068 | 7.6 HIGH | EA path traversal via incomplete sanitization |
| CVE-2026-44062 | 7.5 HIGH | Missing o_len bounds check in pull_charset_flags() |
| CVE-2026-44055 | 7.5 HIGH | Bitwise OR logic bug enables shell injection |
| CVE-2026-44052 | 7.5 HIGH | LDAP simple-bind password exposure in log output |
| CVE-2026-44060 | 7.5 HIGH | Integer underflow in dsi_writeinit() leads to denial of service |
| CVE-2026-44049 | 7.5 HIGH | Out-of-bounds write in convert_charset() null termination |
| CVE-2026-44053 | 7.4 HIGH | Weak cryptography in DHCAST128 UAM |
| CVE-2026-44064 | 7.1 HIGH | ASP session ID out-of-bounds access |
| CVE-2026-44066 | 7.1 HIGH | Heap out-of-bounds reads in Spotlight RPC unmarshalling |
| CVE-2026-44076 | 6.7 MEDIUM | Shell injection via volume path |
| CVE-2026-44054 | 6.5 MEDIUM | Predictable afpd session token |
| CVE-2026-44058 | 6.4 MEDIUM | Authentication bypass via admin auth user |
| CVE-2026-44056 | 6.0 MEDIUM | Stack buffer overflow in desktop.c |
| CVE-2026-44061 | 5.9 MEDIUM | DES-ECB auth with timing side channel |
| CVE-2026-44063 | 4.2 MEDIUM | LDAP filter injection |
| CVE-2026-44073 | 4.0 MEDIUM | seteuid failure ignored in auth modules |
| CVE-2026-44059 | 3.9 LOW | Non-reentrant privilege toggle |
Showing top 20 of 33 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same weakness: CWE-59
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AnythingLLM: filesystem-copy-file follows nested symlinks an
V. Comments for CVE-2026-44051
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