File Read Vulnerability in IBM Langflow OSS
CVE-2026-7872

7.5HIGH

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
17 July 2026

What is CVE-2026-7872?

IBM Langflow OSS versions 1.0.0 through 1.10.0 are susceptible to a file read vulnerability that allows authenticated attackers to access sensitive files. This includes the potential to read the JSON Web Token (JWT) signing key, which could enable malicious actors to forge authentication tokens. This exploitation could lead to unauthorized access to user accounts, further compromising the security of the application. It is crucial for users to upgrade to the latest version and apply recommended security patches to mitigate these risks.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.10.0

References

https://www.ibm.com/support/pages/node/7278934
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

.