CVE-2025-62354CWE-78command-injection

CVE-2025-62354

Critical · published November 26, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
71.8
In the wild
Unconfirmed
What it is

🔥 An unauthorized attacker can slip right past the defenses, executing commands outside the approved list! Imagine a restaurant where the chef blindly prepares any dish ordered, even if it’s not on the menu — that’s what’s happening here! The lack of proper command filtering allows dangerous ingredients into the mix. This is absolutely devastating! An attacker could run arbitrary commands on the server, potentially compromising sensitive data, altering configurations, or even taking full control of the system. The risk is incredibly high, and the consequences could be catastrophic if exploited.

Put simply

Imagine a restaurant where the chef blindly prepares any dish ordered, even if it’s not on the menu — that’s what’s happening here! The lack of proper command filtering allows dangerous ingredients into the mix. The vulnerability in Cursor results from improper neutralization of special elements during OS command execution, allowing attackers to inject commands that bypass the designated allowlist restrictions.

What to do

This is absolutely devastating! An attacker could run arbitrary commands on the server, potentially compromising sensitive data, altering configurations, or even taking full control of the system. The risk is incredibly high, and the consequences could be catastrophic if exploited. Immediately patch to version X.X.X, which addresses this vulnerability. Review your command execution logic to ensure that all inputs are properly validated and sanitized. Implement robust logging and monitoring to detect any suspicious activity. You've got this! Follow these steps, and you'll be one step closer to fortifying your defenses! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01376 · 71.8th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-11-26T21:15Z
References (1)
EPSS history
Timeline
  • 26 NOV 15:40Z
    Improper neutralization of special elements used in an OS command ('command injection') in Cursor allows an unauthorized attacker to execute commands that are…
    cvelistv5