How severe is CVE-2026-2404?

CVE-2026-2404 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-2404 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2404?

CVE-2026-2404 affects Schneider-electric Powerchute Serial Shutdown. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2404?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-2404 have an EU (EUVD) identifier?

Yes. CVE-2026-2404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22292.

When was CVE-2026-2404 published?

CVE-2026-2404 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-2404

CVE-2026-2404 is a medium-severity vulnerability in Schneider-electric Powerchute Serial Shutdown with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-116.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22292
Weakness: CWE-116
Affected product: Schneider-electric Powerchute Serial Shutdown
Published: 2026-04-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 payload.
How severe is CVE-2026-2404?: CVE-2026-2404 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-2404 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2404?: CVE-2026-2404 affects Schneider-electric Powerchute Serial Shutdown. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2404?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2404 have an EU (EUVD) identifier?: Yes. CVE-2026-2404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22292.
When was CVE-2026-2404 published?: CVE-2026-2404 was published on 2026-04-14 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:schneider-electric:powerchute_serial_shutdown:*:*:*:*:*:*:*:*

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