Medium severity · published Apr 14, 2026
CVE-2026-2403
CWE-1284 Improper Validation of Specified Quantity in Input vulnerability exists that could cause Event and Data Log truncation impacting log integrity when a Web Admin user…
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
CWE-1284 Improper Validation of Specified Quantity in Input vulnerability exists that could cause Event and Data Log truncation impacting log integrity when a Web Admin user alters the POST /logsettings request payload.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% 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-2026-2403
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2403
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
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…
6.5
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…
6.1
CVE-2026-2399
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that could cause critical files overwritten with text data when a Web…
5.3
CVE-2026-2402
CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary…
5.3
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…