Database Permission Bypass in Deno JavaScript Runtime
CVE-2025-48935

5.5MEDIUM

Key Information:

Vendor

Denoland

Status
Deno
Vendor
CVE Published:
4 June 2025

What is CVE-2025-48935?

The Deno runtime, designed for JavaScript, TypeScript, and WebAssembly applications, has a vulnerability that allows attackers to bypass the permission checks associated with database read/write operations. This vulnerability can be exploited using the 'ATTACH DATABASE' SQL statement, affecting versions from 2.2.0 up to 2.2.4. A patch has been released in version 2.2.5 to address this critical security flaw, making it essential for users to update their installations promptly.

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Affected Version(s)

deno >= 2.2.0, < 2.2.5

References

https://github.com/denoland/deno/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/denoland/deno/commit/31a97803995bd9462...
x_refsource_MISC

CVSS V4

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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