CVE-2026-2403 — MEDIUM (4.3)

Q: How severe is CVE-2026-2403?

CVE-2026-2403 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-2403?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Powerchute Serial Shutdown.

Vulnerability 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 Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Schneider-Electric	Powerchute Serial Shutdown	< 1.5

Related Weaknesses (CWE)

CWE-1284

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-104-01&p_enDocVendor Advisory

FAQ

What is CVE-2026-2403?

CVE-2026-2403 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 /logsettin...

How severe is CVE-2026-2403?

CVE-2026-2403 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-2403?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Powerchute Serial Shutdown.