CVE-2026-48030 pheditor CVE debrief

Who should care

Users of Pheditor versions 2.0.1 to before 2.0.4 should be aware of this vulnerability and take immediate action to protect themselves. This includes updating to version 2.0.4 or applying compensating controls to prevent exploitation. The vulnerability has a high impact on the affected systems, and defenders should take immediate action to protect themselves. Operators, platform administrators, vulnerability management teams, and security teams should review the vulnerability and take necessary actions.

Technical summary

The OS Command Injection vulnerability in Pheditor allows an authenticated user to execute arbitrary OS commands by injecting shell metacharacters into the 'dir' POST parameter. This is possible because the TERMINAL_COMMANDS whitelist is bypassed, allowing for full Remote Code Execution with web server privileges. The vulnerability has been patched in version 2.0.4. The affected product is Pheditor, a single-file editor and file manager written in PHP, and the vulnerability affects versions 2.0.1 to before 2.0.4.

Defensive priority

High

Recommended defensive actions

• Update Pheditor to version 2.0.4 or later
• Implement compensating controls to prevent exploitation
• Monitor for suspicious activity
• Restrict access to the 'dir' POST parameter
• Use a web application firewall to detect and prevent attacks
• Review relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-07-27T18:16:55.347Z and last modified on 2026-07-27T20:32:11.620Z. The NVD entry is currently Deferred. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The CVE record does not provide detailed information about the vulnerability, so defenders should be cautious when assessing the impact.

Official resources