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Vulnerabilities

Security fix · CVE-2025-48935

Deno is a JavaScript, TypeScript, and WebAssembly runtime.

Published Jun 4, 2025 · catalog updated Jun 4, 2025 · Deno is a JavaScript,

Check if you run it

No confirmed exploitation is on record for CVE-2025-48935. EPSS is 0.47%. Act only if a listed version of Deno is a JavaScript, is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Deno is a JavaScript,).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.47%
Remediation
Version ranges on file
Affected products
vendor denoland deno 2.2.0, < 2.2.5

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 2.2.0 and prior to versions 2.2.5, it is possible to bypass Deno's permission read/write db permission check by using statement. Version 2.2.5 contains a patch for the issue.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor denoland deno 2.2.0, < 2.2.52.2.0, < 2.2.5

How to fix CVE-2025-48935

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-48935. EPSS is 0.47%. Act only if a listed version of Deno is a JavaScript, is installed.

Which versions are affected?

Compare what you have installed with denoland deno 2.2.0, < 2.2.5 2.2.0, < 2.2.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 4, 2025 · EUVD

    Detected

    Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 2.2.0 and prior to versions 2.2.5, it is possible to bypass Deno's permission read/write db permission check by using statement. Version 2.2.5 contains a patch for the issue.

  2. Jun 4, 2025 · EUVD

    Updated

    Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 2.2.0 and prior to versions 2.2.5, it is possible to bypass Deno's permission read/write db permission check by using statement. Version 2.2.5 contains a patch for the issue.

Sources

  • CVE.orgVulnerability recordCVE-2025-48935

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-48935

    30-day exploitation probability 0.5%

    first.org
  • EUVDVulnerability recordEUVD-2025-16915

    Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 2.2.0 and prior to versions 2.2.5, it is possible to bypass Deno's permission read/write db permission check by using statement. Version 2.2.5 contains a patch for the issue.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.