CVE-2026-107327: critical vulnerability in IBM Langflow OSS
Langflow OSS is affected by multiple vulnerabilities
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.9epss 0.7%
from disclosure to weaponsame day
Published on NVDOct 29
1st PoCSep 26
IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to execute arbitrary code due to missing authorization.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
IBM · Langflow OSSpublic PoCs found — 1
githubgithub.com/rmhowe425/POC-CVE-2026-107327★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — IBM Langflow OSS
In the same product, most dangerous first.
CVE-2026-9198CRITICALUnauthenticated Remote Code Execution via Auto-Login Bypass and Code ValidationEPSS 28.7%KEVCVE-2026-93674CRITICALLangflow OSS is affected by multiple vulnerabilitiesEPSS 15.3%CVE-2026-7873CRITICALCode Injection Vulnerability in Code Validation EndpointEPSS 6.2%CVE-2026-9103CRITICALUnauthenticated Superuser Token Issuance via Auto-Login EndpointEPSS 3.2%CVE-2026-10134CRITICALUnauthenticated Server-Side RCE via PythonCodeStructuredTool in Public FlowsEPSS 2.3%CVE-2026-93680CRITICALLangflow OSS is affected by multiple vulnerabilitiesEPSS 2.2%