CVE-2026-97673: CWE-693 Protection Mechanism Failure in IBM Langflow OSS
Description
IBM Langflow OSS versions 1.0.0 through 1.12.2 contain a vulnerability classified as CWE-693 (Protection Mechanism Failure) that allows a remote authenticated attacker to execute arbitrary code due to improper input validation. This vulnerability has a high severity with a CVSS score of 8.8, indicating significant impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 8.8high
Affected software
IBM
Langflow OSS
pkg:github/ibm/langflow_osscpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:langflow_oss:1.12.2:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-97673 affects IBM Langflow OSS versions 1.0.0 through 1.12.2. The vulnerability arises from improper input validation, categorized under CWE-693 (Protection Mechanism Failure). This flaw enables a remote attacker with authentication privileges to execute arbitrary code on the affected system. The CVSS v3.1 score of 8.8 reflects the ease of exploitation (network attack vector, low attack complexity, no user interaction) and the high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability allows an authenticated remote attacker to execute arbitrary code, potentially leading to full system compromise. The impact includes complete loss of confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until a fix is available, restrict access to authenticated users and monitor for suspicious activity related to Langflow OSS.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-09-24T20:35:14.830Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac5937c2cdf04f656f9095c
Added to database: 10/07/2026, 00:34:04 UTC
Last enriched: 10/07/2026, 00:48:29 UTC
Last updated: 10/07/2026, 00:48:53 UTC
Views: 3
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