Threat actors are exploiting CVE-2026-5027, a high-severity path traversal flaw in Langflow that can let unauthenticated attackers write files to arbitrary locations and potentially achieve remote code execution. VulnCheck says the bug is being used in the wild, with test files dropped on victim systems, and that thousands of internet-exposed Langflow instances may be at risk. #Langflow #CVE-2026-5027 #VulnCheck #Tenable
Keypoints
- CVE-2026-5027 is a high-severity path traversal flaw in Langflow.
- The vulnerable /api/v2/files endpoint fails to sanitize the filename parameter.
- Attackers can write files to arbitrary paths on the filesystem.
- Unauthenticated exploitation may lead to remote code execution.
- VulnCheck observed in-the-wild abuse against exposed Langflow instances.
Read More: https://www.securityweek.com/hackers-exploit-langflow-vulnerability-for-remote-code-execution/