Attackers Exploit Critical Langflow and Rails Flaws in Credential-Probing and C2 Activity

Threat actors are exploiting two critical flaws impacting Langflow and Ruby on Rails, according to new findings from VulnCheck.

The vulnerabilities in question are listed below -

CVE-2026-0768 (CVSS score: 9. 8) - A lack of proper validation of a user-supplied input vulnerability that could be exploited to execute arbitrary Python code in the context of the root user. CVE-2026-66066 aka