Anysphere Cursor — CVE-2026-50548 (Critical)

Summary

Cursor is a code editor built for programming with AI. Prior to 3.0, Cursor runs agent terminal commands in a sandbox by default, and the sandbox grants write access to the command's working directory. A flaw was identified in how the agent could modify the working_directory parameter, which could cause the sandbox to include writable paths outside the intended workspace. A malicious agent could set working_directory to a sensitive location and write arbitrary files outside the workspace under the user's privileges. This enables non-sandboxed Remote Code Execution — for example by overwriting

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 9.8) in Anysphere Cursor. Patch or mitigate promptly. EPSS percentile: 40%.

Operator check

Review CVE-2026-50548 in your asset inventory. Apply patches per vendor guidance and verify Cursor is not exposed. CVSS score: 9.8. EPSS probability: 0.5%; percentile: 40%.

Sources