CVE-2026-7873: critical vulnerability in IBM Langflow OSS
Code Injection Vulnerability in Code Validation Endpoint
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
85Vexday Risk Score
Patch now. It exploitation observed by VulnCheck and has a working public exploit.
ssvc Actcvss 9.9epss 6.2%
from disclosure to weapon67 days
Published on NVDJun 30
1st PoC+67d
metasploitJun 30
VulnCheck+113d
IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated attackers to execute arbitrary OS commands and read sensitive files including credentials, enabling complete system compromise and lateral movement.
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 — 2
githubgithub.com/rmhowe425/POC-CVE-2026-7873★ 0vulncheckvulncheck.com/xdb/07c692f18711unverified⚠ 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-2026-9103CRITICALUnauthenticated 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%CVE-2026-19295CRITICALLangflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcementEPSS 1.6%