Directory Traversal Vulnerability in IBM Langflow Open Source Software
CVE-2026-12942

7.5HIGH

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
30 July 2026

What is CVE-2026-12942?

The IBM Langflow OSS versions ranging from 1.0.0 to 1.10.1 are susceptible to a directory traversal issue that allows remote attackers to craft specific URL requests to exploit the vulnerability. By using sequences like '/.. /', an attacker can navigate the file system and potentially access sensitive information. This could lead to unauthorized exposure of files that should not be accessible. It is crucial for users of the affected versions to apply the recommended patches to mitigate risks associated with this security flaw.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.10.1

References

https://www.ibm.com/support/pages/node/7279993
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.