CVE-2026-2404

MEDIUMNVD 5.35.3—

5.3

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.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 18.5%
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-116Improper Encoding or Escaping of Output

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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2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-26 13:44 UTCepss_batch
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2026-05-26 07:18 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-2026-2404?

CVE-2026-2404 is a medium vulnerability published on April 14, 2026. 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.

When was CVE-2026-2404 disclosed?

CVE-2026-2404 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-2026-2404 actively exploited?

CVE-2026-2404 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-2404?

CVE-2026-2404 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2026-2404?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2404, 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-2026-2404

📅 Published

🔄 Last Modified

🔗 References (1)