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CVE-2023-39964: 1Panel O&M management panel has a background arbitrary file reading vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-10 · updated 2026-06-17
• Weakness: CWE-22

Description

1Panel is an open source Linux server operation and maintenance management panel. In version 1.4.3, arbitrary file reads allow an attacker to read arbitrary important configuration files on the server. In the `api/v1/file.go` file, there is a function called `LoadFromFile`, which directly reads the file by obtaining the requested path `parameter[path]`. The request parameters are not filtered, resulting in a background arbitrary file reading vulnerability. Version 1.5.0 has a patch for this issue.

Affected products

• 1Panel-dev 1Panel: 1.4.3

References

• https://github.com/1Panel-dev/1Panel/releases/tag/v1.5.0
• https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-pv7q-v9mv-9mh5
• https://github.com/1Panel-dev/1Panel/releases/tag/v1.5.0
• https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-pv7q-v9mv-9mh5

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