CVE-2026-101329: CWE-284 Improper Access Control in IBM Langflow OSS
Description
IBM Langflow OSS versions 1.0.0 through 1.12.2 contain an improper access control vulnerability (CWE-284) that allows a remote authenticated attacker to obtain sensitive information. This vulnerability does not impact integrity or availability but can lead to unauthorized disclosure of confidential data.
CVSS v3.1
Score 6.5medium
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-2026-101329 describes an improper access control vulnerability in IBM Langflow OSS versions 1.0.0 through 1.12.2. A remote attacker with valid authentication privileges can exploit this flaw to access sensitive information that should be restricted. The vulnerability is categorized under CWE-284, indicating insufficient access control mechanisms. The CVSS 3.1 base score is 6.5, reflecting a medium severity with high confidentiality impact but no impact on integrity or availability. There is no indication of active exploitation in the wild or a vendor-provided patch at this time.
Potential Impact
The vulnerability allows unauthorized disclosure of sensitive information to remote authenticated attackers. It does not affect system integrity or availability. The confidentiality impact is high, meaning sensitive data exposure could occur if exploited.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to trusted users and monitor for suspicious activity related to sensitive information access. Avoid granting unnecessary privileges to users to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-09-28T14:06:06.300Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac5937a2cdf04f656f90947
Added to database: 10/07/2026, 00:34:02 UTC
Last enriched: 10/07/2026, 00:49:32 UTC
Last updated: 10/07/2026, 01:08:18 UTC
Views: 6
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