A high-severity security flaw in LMDeploy, an open-source toolkit for compressing, deploying, and serving large language models (LLMs), has come under active exploitation in the wild less than 13 hours after its public disclosure.
The vulnerability, tracked as CVE-2026-33626 (CVSS score: 7.5), relates to a Server-Side Request Forgery (SSRF) vuln…