RCE in Deno
CVE-2025-61787
Deno is a JavaScript, TypeScript, and WebAssembly runtime. Versions prior to 2.5.3 and 2.2.15 are vulnerable to Command Line Injection attacks on Windows when batch files are executed. In Windows, ``CreateProcess()`` always implicitly spawns ``cmd.exe`` if a batch file (.bat, .cmd, etc.) is being executed even if the application does not specify it via the command line. This makes Deno vulnerable to a command injection attack on Windows. Versions 2.5.3 and 2.2.15 fix the issue.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Deno
- Denoland Deno — versions >= 2.3.0, < 2.5.3, < 2.2.15
- Microsoft Windows
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/denoland/deno/security/advisories/GHSA-m2gf-x3f6-8hq3 (Exploit, Vendor Advisory)
- github.com/denoland/deno/pull/30818 (Patch, Issue Tracking)
- github.com/denoland/deno/commit/8a0990ccd37bafd8768176ca64b906ba2da2d822 (Patch)
- github.com/denoland/deno/releases/tag/v2.2.15 (Release Notes)
- github.com/denoland/deno/releases/tag/v2.5.3 (Release Notes)
Frequently asked questions
- What is CVE-2025-61787?
- CVE-2025-61787 is a high-severity vulnerability in Deno, classified under Command Injection. CVSS score: 8.1/10. Published 2025-10-08.
- How severe is CVE-2025-61787?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2025-61787 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.