PatchSiren

cursor CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH cursor CVE published 2026-07-15

CVE-2026-61613

CVE-2026-61613 is a high-severity vulnerability in Cursor Cloud Agent that allows code execution. Prior to the Cloud Agent fix on 03/31/2026, browser-enabled Cursor Cloud Agent sessions allowed attacker-controlled web content to connect from inside the agent container to an unauthenticated local agent endpoint, enabling code execution within the affected Cloud Agent sandbox or session and access to files, [truncated]

HIGH cursor CVE published 2026-06-15

CVE-2026-48124

CVE-2026-48124 is a high-severity vulnerability (CVSS Score: 8.5) affecting Cursor, a code editor built for programming with AI. In versions prior to 3.0.0, the Cursor Desktop could execute workspace-defined Claude hook commands from `.claude/settings.local.json` without dedicated user approval. A malicious workspace or agent-created file could configure hooks that run local commands in the user's context [truncated]