CVE-2026-2405

MEDIUMNVD 6.56.5—

6.5

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 system with POST /helpabout requests.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 17.1%
KEV: Not listed

Published

April 14, 2026

Last Modified

April 22, 2026

References (1)

cybersecurity@sehttps://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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-24 16:59 UTCepss_batch
2026-05-23 15:21 UTCepss_batch
2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2026-2405?

CVE-2026-2405 is a medium vulnerability published on April 14, 2026. 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 system with POST /helpabout requests.

When was CVE-2026-2405 disclosed?

CVE-2026-2405 was first published in the National Vulnerability Database on April 14, 2026, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-2405 actively exploited?

CVE-2026-2405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-2405?

CVE-2026-2405 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2026-2405?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2405, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-2405

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-2405?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)