Is CVE-2026-2402 in the CISA KEV catalog?

No. CVE-2026-2402 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-2402?

CVE-2026-2402 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-2402?

CVE-2026-2402 has an EPSS score of 0.27% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2402?

Upgrade powerchute serial shutdown to 1.5 or later.

CVE & CISA-KEV Catalog

CVE-2026-2402

MEDIUM

5.3

CVSS v3

NVD

Description

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 number of authentication attempts with different credentials on a sequence of requests to multiple endpoints.

CWE-307

How to fix

Remediation Available

powerchute serial shutdownNVD

Affected:< 1.5Fixed in:1.5CVE-2026-2402derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Vendor Advisory1

download.schneider-electric.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.