CVE-2026-19303: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in IBM Langflow OSS
Description
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to delete arbitrary local files or directories due to improper limitation of a pathname to a restricted directory.
CVSS v3.1
Score 8.1high
Affected software
IBM
Langflow OSS
cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:langflow_oss:1.11.2:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-19303 is a path traversal vulnerability in IBM Langflow OSS versions 1.0.0 through 1.11.2. It allows a remote attacker with authentication privileges to delete arbitrary files or directories on the local system by exploiting improper restrictions on pathname inputs. The vulnerability affects the integrity and availability of the affected system components.
Potential Impact
An authenticated remote attacker can delete arbitrary files or directories on the local filesystem, potentially disrupting service availability and compromising system integrity. There is no indication of confidentiality impact. The vulnerability has a high severity rating (CVSS 8.1) due to its ability to cause significant damage to system files and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to trusted users only and monitor for suspicious activity related to file deletions. Avoid exposing the vulnerable functionality to untrusted networks or users.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-08-07T17:26:28.798Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9af170acd9273b49dd594e
Added to database: 09/04/2026, 16:27:28 UTC
Last enriched: 09/14/2026, 23:52:17 UTC
Last updated: 10/19/2026, 18:48:18 UTC
Views: 80
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