CVE-2026-31854
High
Description
Cursor is a code editor built for programming with AI. Prior to 2.0 ,if a visited website contains maliciously crafted instructions, the model may attempt to follow them in order to “assist” the user. When combined with a bypass of the command whitelist mechanism, such indirect prompt injections could result in commands being executed automatically, without the user’s explicit intent, thereby posing a significant security risk. This vulnerability is fixed in 2.0.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Anysphere Cursor
PublishedMar 11, 2026
First seenMar 11, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- anysphere cursor2.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| anysphere cursor | v < 2.0 | 2.0 |
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