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Vulnerability record · CVE-2021-47949 · published 10 May 2026

CVE-2021-47949: Link following vulnerability

CyberPanel 2.1 contains a command execution vulnerability that allows authenticated attackers to read arbitrary files and execute remote code by exploiting symlink attacks through the filemanager controller endpoint. Attackers can manipulate the completeStartingPath parameter in POST requests to /filemanager/controller to create symbolic links, read sensitive files like database credentials, and execute arbitrary shell commands through the /websites/fetchFolderDetails endpoint.

8.7 CVSS 4.0 High EPSS 0.53% · top 57.3% CWE-59 · Link following Awaiting Analysis
8.7CVSS 4.0 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
25 Jul 2026Last modified by NVD

Description

CyberPanel 2.1 contains a command execution vulnerability that allows authenticated attackers to read arbitrary files and execute remote code by exploiting symlink attacks through the filemanager controller endpoint. Attackers can manipulate the completeStartingPath parameter in POST requests to /filemanager/controller to create symbolic links, read sensitive files like database credentials, and execute arbitrary shell commands through the /websites/fetchFolderDetails endpoint.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://cyberpanel.net/
https://github.com/usmannasir/cyberpanel
https://www.exploit-db.com/exploits/50230
https://www.vulncheck.com/advisories/cyberpanel-authenticated-remote-code-execution-via-symlink-attack

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Source: NIST National Vulnerability Database (record CVE-2021-47949), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.