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CVE-2025-59944 is a remote code execution vulnerability in Cursor IDE affecting versions 1.6.23 and earlier. The issue stems from case-sensitive checks used to protect sensitive files, including Cursor configuration files such as MCP-related settings. On case-insensitive filesystems, an attacker can use prompt injection to bypass these protections and modify files that should be blocked from agent-driven changes. By altering protected configuration content, the attacker can cause the IDE to execute attacker-controlled behavior, resulting in full remote code execution. The vulnerability is fixed in version 1.7.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.