CVE-2026-7872: Path Traversal Vulnerability in File Component Leading to Arbitrary File Read and Authentication Bypass
IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to read arbitrary files including the JWT signing key and forge authentication tokens for any user.
Other sources
Langflow OSS allows an authenticated attacker to read arbitrary files including the JWT signing key and forge authentication tokens for any user.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
langflow OSSto a version that resolves this vulnerability.Fixed in 1.10.1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-7872?
The severity of CVE-2026-7872 is rated high with a score of 8.1.
How do I fix CVE-2026-7872?
To fix CVE-2026-7872, upgrade to a patched version of IBM Langflow OSS that addresses the path traversal vulnerability.
What are the potential impacts of CVE-2026-7872?
The potential impacts of CVE-2026-7872 include arbitrary file reads, exposure of the JWT signing key, and the ability to forge authentication tokens.
Who is affected by CVE-2026-7872?
Authenticated users of IBM Langflow OSS versions 1.0.0 through 1.10.0 are affected by CVE-2026-7872.
What is the nature of the vulnerability in CVE-2026-7872?
CVE-2026-7872 is a path traversal vulnerability that allows attackers to access restricted files on the server.