KEV Entry

CVE-2026-42796

Known Exploited Vulnerability Entry Shadowserver

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Entry Details
Confirmed Exploited

CVE-2026-42796

2026-10-21 00:00 UTC

Characteristics

92.0

Timestamps

2026-09-18

2026-09-18

2026-10-21

Scope

Affected: Arelle / Arelle | Class: other-software | Severity: Critical (CVSS 9.2) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-10-21: 4

References
  • {'id': 'CVE-2026-42796', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-42796'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

f7f61a53-19fb-4235-a115-a9f845e71fbf

Shadowserver
c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-10-21 09:12 UTC

2026-10-23 01:01 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
honeypot shadowserver in_the_wild_attempts 0.70
View details 
{
  "1d": "1",
  "30d_avg": 0,
  "7d_avg": 0,
  "90d_avg": 0,
  "cisa_kev": "no",
  "class": "other-software",
  "connections": 4,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "no",
  "observation_date": "2026-10-21",
  "product": "Arelle",
  "type": "http-scan",
  "vendor": "Arelle",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 9.2,
  "vulnerability_severity": "Critical"
}
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