NVD

CVE-2026-9201 Detail

Received

This CVE record has recently been published to the CVE List and has been included within the NVD dataset.

Description

IBM Langflow OSS 1.0.0 through 1.10.3 could allow an authenticated attacker to execute arbitrary code due to a cryptographic weakness in the custom component validation mechanism. When the optional hardening mode that restricts execution to trusted component templates is enabled, the application validates component code using a truncated SHA‑256 hash. Because the hash comparison relies on only a portion of the digest, an attacker can craft malicious component code that collides with a trusted template hash and bypasses validation. Successful exploitation allows the attacker to introduce and execute unauthorized Python code within the Langflow process, defeating the intended security control and potentially leading to full compromise of the affected instance.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

Nist CVSS score does not match with CNA score

CNA: IBM Corporation

Base Score: 8.8 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.ibm.com/support/pages/node/7282646	IBM Corporation

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-326	Inadequate Encryption Strength	IBM Corporation

Change History

2 change records found show changes

New CVE Received from IBM Corporation 8/05/2026 3:17:48 PM

Action	Type	New Value
Added	Description	IBM Langflow OSS 1.0.0 through 1.10.3 could allow an authenticated attacker to execute arbitrary code due to a cryptographic weakness in the custom component validation mechanism. When the optional hardening mode that restricts execution to trusted component templates is enabled, the application validates component code using a truncated SHA‑256 hash. Because the hash comparison relies on only a portion of the digest, an attacker can craft malicious component code that collides with a trusted template hash and bypasses validation. Successful exploitation allows the attacker to introduce and execute unauthorized Python code within the Langflow process, defeating the intended security control and potentially leading to full compromise of the affected instance.
Added	CVSS V3.1	AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	CWE	CWE-326
Added	Reference	https://www.ibm.com/support/pages/node/7282646
Added	Affected	[{"vendor":"IBM","product":"Langflow OSS","cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:::::::","cpe:2.3:a:ibm:langflow_oss:1.10.3:::::::"],"versions":[{"version":"1.0.0","lessThanOrEqual":"1.10.3","versionType":"semver","status":"affected"}]}]

Quick Info

CVE Dictionary Entry:
CVE-2026-9201
NVD Published Date:
08/05/2026
NVD Last Modified:
08/05/2026
Source:
IBM Corporation

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Information Technology Laboratory

National Vulnerability Database