CVE-2026-19286: CWE-94 Improper Control of Generation of Code ('Code Injection') in IBM Langflow OSS
Description
IBM Langflow OSS versions 1.0.0 through 1.11.1 contain a critical vulnerability (CVE-2026-19286) that allows remote attackers to execute arbitrary code via improper enforcement of security restrictions on the A2A public endpoint. This code injection flaw is due to CWE-94, improper control of code generation. The vulnerability has a CVSS score of 9.8, indicating a critical severity with high impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.8critical
Affected software
IBM
Langflow OSS
cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:langflow_oss:1.11.1:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-19286 is a critical code injection vulnerability in IBM Langflow OSS versions 1.0.0 through 1.11.1. The flaw arises from improper enforcement of security restrictions on the A2A public endpoint, which could allow a remote attacker to execute arbitrary code on the affected system. This vulnerability is classified under CWE-94 (Improper Control of Generation of Code). The CVSS v3.1 base score is 9.8, reflecting network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability could lead to full compromise of the affected system, including unauthorized code execution, complete loss of confidentiality, integrity, and availability of the system. This poses a critical risk to affected environments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been documented at this time. Users should monitor IBM advisories for updates and apply patches or mitigations as soon as they become available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-08-07T15:36:51.777Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9206c3acd9273b4963cea2
Added to database: 08/28/2026, 22:08:03 UTC
Last enriched: 09/07/2026, 15:12:30 UTC
Last updated: 10/13/2026, 18:48:18 UTC
Views: 114
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