HomeCVE Intelligence › CVE-2026-8859
CVSS 9.9 CRITICAL Vulnerability

CVE-2026-8859: IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow an attacker to write arbitrary…

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow an attacker to write arbitrary files to unintended locations due to improper input validation in the APIRequest component. A path traversal vulnerability exists…

9.9CVSS Score
CRITICALSeverity
NOCISA KEV
0.3%EPSS Score
VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-8859
VendorUnknown Vendor
Affected ProductUnknown Product
Vulnerability TypeVulnerability
CVSS Score9.9 (CRITICAL)
EPSS Score0.3% probability of exploitation in the next 30 days
Actively Exploited❌ No known exploitation
Patch StatusPending Vendor Disclosure
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via sentinel_apex)

🔬 Technical Analysis

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow an attacker to write arbitrary files to unintended locations due to improper input validation in the APIRequest component. A path traversal vulnerability exists when the "Save to File" feature is enabled, where filenames ... [Full analysis available on Pro]

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