Medium severity · published Apr 14, 2026
CVE-2026-2404
CWE-116 Improper Encoding or Escaping of Output vulnerability exists that could cause log injection and forged log when an attacker alters the POST /j_security check request…
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
CWE-116 Improper Encoding or Escaping of Output vulnerability exists that could cause log injection and forged log when an attacker alters the POST /j_security check request payload.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PS
PowerChute™ Serial Shutdown · Schneider Electric
Versions 1.4 and prior · source: vendor
PS
Powerchute Serial Shutdown · Schneider-electric
before 1.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2404
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2404
Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-104-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-104-01.pdf
More from PowerChute™ Serial Shutdown
7.3
CVE-2025-11567
CWE-276: Incorrect Default Permissions vulnerability exists that could cause elevated system access when the target installation folder is not properly secured
7.3
CVE-2025-11565
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that could cause elevated system access when a Web Admin user on the…
6.9
CVE-2026-13348
CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that could allow an attacker to gain unauthorized access to a user account by performing an…
6.9
CVE-2025-11566
CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by…
6.5
CVE-2026-2405
CWE-400 Uncontrolled Resource Consumption vulnerability exists that could cause excessive troubleshooting zip file creation and denial of service when a Web Admin user floods the…
