GCVE-110-NCSC-2026-251

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published July 21, 2026

IBM Langflow OSS versions 1.0.0 through 1.10.0 contain a vulnerability allowing authenticated attackers to write arbitrary files to any path accessible by the Langflow process via a malicious flow with a crafted Content-Disposition header.

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Weaknesses (CWE)

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')CWE-918Server-Side Request Forgery (SSRF)CWE-94Improper Control of Generation of Code ('Code Injection')CWE-502Deserialization of Untrusted DataCWE-306Missing Authentication for Critical FunctionCWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
IBM	vers:unknown/*	—	—

Aliases

CVE-2026-14499 CVE-2026-7667 CVE-2026-7754 CVE-2026-7755 CVE-2026-7872 CVE-2026-8056 CVE-2026-8476 CVE-2026-8481 CVE-2026-8505 CVE-2026-8635 CVE-2026-8859 CVE-2026-9103 CVE-2026-9135 CVE-2026-9198 CVE-2026-9202

References

advisory

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