CVE-2023-39965: 1Panel Unauthorized access in Backend

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-08-10 · updated 2026-06-17
Weakness: CWE-863

Description

1Panel is an open source Linux server operation and maintenance management panel. In version 1.4.3, authenticated attackers can download arbitrary files through the API interface. This code has unauthorized access. Attackers can freely download the file content on the target system. This may cause a large amount of information leakage. 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-85cf-gj29-f555
https://github.com/1Panel-dev/1Panel/releases/tag/v1.5.0
https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-85cf-gj29-f555

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