PowerChute is flagged a vulnerable to CVE-2026-49844

Issue:

PowerChute is flagged a vulnerable to CVE-2026-49844

Product:

PowerChute Serial Shutdown 1.5, 1.6

PowerChute Network Shutdown 5.2

Environment:

All supported operating systems.

Cause:

PowerChute Serial Shutdown 1.5 and 1.6 ship with Log4j versions less than version 2.25.5

PowerChute Network Shutdown 5.2 ships with Log4j versions less than version 2.25.5

Solution:

For PowerChute Serial Shutdown 1.5, 1.6 on Windows:

1. Download the attached file PCSS_Log4j_Update.zip file
2. Uncompress the file PCSS_Log4j_Update.zip
3. Open a command prompt as an administrator
4. Change directory to the PCSS_Log4j_Update.zip directory that was created when the zip file PCSS_Log4j_Update.zip was uncompressed.
5. Run the command run_patch.cmd

The patch will remove the current log4j files and replace them with log4j version 2.26.1.

For PowerChute Network Shutdown 5.2 on Windows:

1. Download the attached file PCNS5.2_log4j_update.zip file
2. Uncompress the file PCNS5.2_log4j_update.zip
3. Open a command prompt as an administrator
4. Change directory to the PCSS5.2_log4j_update directory that was created when the zip file PCSS5.2_log4j_update.zip was uncompressed.
5. Run the command run_patch.cmd

The patch will remove the current log4j files and replace them with log4j version 2.26.1.

NOTE: Files to update the PCSS 1.5, 1.6, and PCNS 5.2 log4j files on Linux OS will be added soon.

Publicerad för: Schneider Electric Sverige