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In Cursor versions prior to 1.3.9, the AI-assisted file write workflow allowed creation of new dotfiles in the workspace without user approval, even though editing an existing dotfile required approval. If a sensitive editor configuration file such as .vscode/settings.json did not already exist in the workspace, an attacker could chain an indirect prompt injection to steer the agent into creating and populating that file. By hijacking the model context and abusing the auto-approved file creation behavior, the attacker could modify workspace settings and trigger remote code execution on the victim system without explicit user approval.
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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 public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
4 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.