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CVE-2026-48030

CriticalPublished

Pheditor: OS Command Injection in terminal handler via unsanitized 'dir' parameter (CWE-78)

Published: Jul 27, 2026
Updated: Jul 27, 2026
Assigning CNA: GitHub_M
Evidence observed: Aug 8, 2026

Primary CVSS

9.9/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS probability estimate

5.8%

Low · next 30 days

Percentile: 92.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Pheditor is a single-file editor and file manager written in PHP. From version 2.0.1 to before version 2.0.4, an OS Command Injection vulnerability in the terminal action handler allows any authenticated user to execute arbitrary OS commands by injecting shell metacharacters into the 'dir' POST parameter, completely bypassing the TERMINAL_COMMANDS whitelist and achieving full Remote Code Execution with web server privileges. This issue has been patched in version 2.0.4.

Sources

CVE-2026-48030PoC
Proof-of-concept exploit for CVE-2026-48030, a critical OS command injection in Pheditor 2.0.1-2.0.3. Includes vulnerable code analysis, PoC script, and patching guidance for security researchers.

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