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CVE-2025-48935

Deno broken access control

9.1 CRITICALPublic exploitEPSS 0.47%
  1. Published4 Jun 2025

Description

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 `ATTACH DATABASE` statement. Version 2.2.5 contains a patch for the issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Deno≥ 2.2.0 < 2.2.5

Remediation

Fixed in
Deno≥ 2.2.5

References

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Frequently asked

Is CVE-2025-48935 being actively exploited?

CVE-2025-48935 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.47%.

How severe is CVE-2025-48935?

CVE-2025-48935 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.47% probability of exploitation.

Which products are affected by CVE-2025-48935?

Affected products include Deno.

How do I fix CVE-2025-48935?

Upgrade affected software to a fixed version, for example Deno 2.2.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-48935 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.