Improper URL Validation in IBM Langflow OSS Affects Sensitive Information Security
CVE-2026-81213

8.6HIGH

Key Information:

Vendor

IBM

Vendor
CVE Published:
10 September 2026

What is CVE-2026-81213?

IBM Langflow OSS versions 1.0.0 through 1.11.5 have a vulnerability that may allow a remote attacker to access sensitive internal resources due to inadequate validation of user-provided URLs. This flaw poses risks as it could lead to unauthorized exposure of sensitive data within the network. It is crucial for users to review security measures and apply updates to mitigate potential threats associated with this vulnerability.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.11.5

References

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.