KEV Entry

CVE-2026-55450

Known Exploited Vulnerability Entry KEVIntel

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Entry Details
Confirmed Exploited

CVE-2026-55450

2026-08-09 12:09 UTC

Timestamps

2026-08-09

2026-08-09

Scope

Langflow: Unauthenticated file upload leads to DoS (space exhaustion) and information leak | Affected: langflow-ai / langflow | CVSS: 9.3 (CRITICAL) | EPSS: 0.11819 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2026-55450', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-55450'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/CVE-2026-55450'}

0486c0ca-d22a-4d00-8dcb-31078ababad4

KEVIntel
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-08-09 14:00 UTC

2026-08-09 14:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-08-09T12:09:32.943Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.3,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.95685,
  "epss_score": 0.11819,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "langflow",
  "title": "Langflow: Unauthenticated file upload leads to DoS (space exhaustion) and information leak",
  "used_in_malware": "unknown",
  "vendor": "langflow-ai"
}
 -
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