Lucene search
+L

CVE-2026-55450 Langflow: Unauthenticated file upload leads to DoS (space exhaustion) and information leak

🗓️ 23 Jun 2026 16:17:52Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 69 Views

Langflow allows unauthenticated uploads without limits, causing space exhaustion and path exposure; fixed in 1.9.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-55450
23 Jun 202616:17
attackerkb
circl
Circl
CVE-2026-55450
17 Jun 202603:40
circl
cve
CVE
CVE-2026-55450
23 Jun 202616:17
cve
euvd
EUVD
EUVD-2026-38511
23 Jun 202616:17
euvd
github
Github Security Blog
Langflow: Unauthenticated file upload leads to DoS (space exhaustion) and information leak
17 Jun 202618:43
github
nessus
Tenable Nessus
Langflow < 1.9.1 Multiple Vulnerabilities
10 Jul 202600:00
nessus
nuclei
Nuclei
Langflow < 1.9.1 - Unauthenticated File Upload
6 Aug 202606:22
nuclei
nvd
NVD
CVE-2026-55450
23 Jun 202617:17
nvd
osv
OSV
GHSA-X223-P2GF-V735 Langflow: Unauthenticated file upload leads to DoS (space exhaustion) and information leak
17 Jun 202618:43
osv
osv
OSV
PYSEC-2026-224
23 Jun 202617:17
osv
Rows per page
[
  {
    "vendor": "langflow-ai",
    "product": "langflow",
    "versions": [
      {
        "version": "< 1.9.1",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation