This blog details research and analysis of an active campaign that exploits a critical unauthenticated remote code execution (RCE) vulnerability, CVE-2025-3248, that has been identified in Langflow versions prior to 1.3.0. Langflow is a Python-powered visual framework for building AI applications with over 70,000 GitHub stars, and its versions prior to 1.3.0 contains a flaw in its code validation mechanism that permits arbitrary code execution.
Unauthenticated attackers can exploit this vulnerability by crafting malicious POST requests to the /api/v1/validate/code endpoint. The malicious payload in our investigation was found embedded within argument defaults or decorators of a Python function definition. Since Langflow does not enforce input validation or sandboxing, these payloads are compiled and executed within the server’s context, leading to RCE.
Read more…
Source: Trend Micro
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- Progress Software Releases Security Advisory for MOVEit Transfer Vulnerability – CVE-2023-35708
June 15, 2023
Progress has discovered a vulnerability in MOVEit Transfer that could lead to escalated privileges and potential unauthorized access to the environment. If you are a MOVEit Transfer customer, it is extremely important that you take immediate action as noted below in order to help protect your MOVEit Transfer environment. In Progress MOVEit Transfer versions released before ...
- CISA Releases Fourteen Industrial Control Systems Advisories
June 15, 2023
CISA released fourteen Industrial Control Systems (ICS) advisories on June 15, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-166-01 SUBNET PowerSYSTEM Center ICSA-23-166-02 Advantech WebAccessSCADA ICSA-23-166-03 Siemens SICAM Q200 Devices Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- US government agencies hit in global cyberattack
June 15, 2023
“Several” US federal government agencies have been hit in a global cyberattack that exploits a vulnerability in widely used software. The US Cybersecurity and Infrastructure Security Agency “is providing support to several federal agencies that have experienced intrusions affecting their MOVEit applications,” Eric Goldstein, the agency’s executive assistant director for cybersecurity, said in a statement on ...
- VMware ESXi Zero-Day Used by Chinese Espionage Actor to Perform Privileged Guest Operations on Compromised Hypervisors
June 13, 2023
As Endpoint Detection and Response (EDR) solutions improve malware detection efficacy on Windows and Linux systems, certain state-sponsored threat actors have shifted to developing and deploying malware on systems that do not generally support EDR such as network appliances, SAN arrays, and VMware ESXi hosts. In late 2022, Mandiant published details surrounding a novel malware system deployed ...
- MOVEit Vulnerabilities: What You Need to Know
June 12, 2023
Extortion actors have been actively exploiting a recently patched vulnerability in MOVEit Transfer, a file-transfer application that is widely used to transmit information between organizations. The nature of the software affected means that attackers can exploit unpatched systems to mount a supply chain attack against multiple organizations. While the original vulnerability (CVE-2023-34362) was patched on May ...
- CISA Releases Two Industrial Control Systems Advisories
June 8, 2023
CISA released two Industrial Control Systems (ICS) advisories on June 8, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-159-01 Atlas Copco Power Focus 6000 Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency Related story: CISA Adds One Known Exploited Vulnerability to Catalog