CVE-2025-48888

MEDIUM EPSS 26.1%
Published Jun 4, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Jun 4, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 1.41.3 and prior to versions 2.1.13, 2.2.13, and 2.3.2, `deno run --allow-read --deny-read main.ts` results in allowed, even though 'deny' should be stronger. The result is the same with all global unary permissions given as `--allow-* --deny-*`. This only affects a nonsensical combination of flags, so there shouldn't be a real impact on the userbase. Users may upgrade to version 2.1.13, 2.2.13, or 2.3.2 to receive a patch.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
26.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-863 Incorrect Authorization Authorization

Affected Products 3

VendorProductVersionRange
denodeno*≥1.41.3  –  <2.1.13
denodeno*≥2.2.0  –  <2.2.13
denodeno*≥2.3.0  –  <2.3.2

References 6

  • github.com https://github.com/denoland/deno/commit/2f0fae9d9071dcaf0a689bc7097584b1b9ebc8db
    Patch
  • github.com https://github.com/denoland/deno/commit/9d665572d3cd39f997e29e6daac7c1102fc5c04f
    Patch
  • github.com https://github.com/denoland/deno/commit/ef315b56c26c9ef5f25284a5100d2ed525a148cf
    Patch
  • github.com https://github.com/denoland/deno/pull/22894
    Issue TrackingPatch
  • github.com https://github.com/denoland/deno/pull/29213
    Issue TrackingPatch
  • github.com https://github.com/denoland/deno/security/advisories/GHSA-xqxc-x6p3-w683
    ExploitVendor Advisory

Remediation

  • github.com https://github.com/denoland/deno/commit/2f0fae9d9071dcaf0a689bc7097584b1b9ebc8db
    Patch
  • github.com https://github.com/denoland/deno/commit/9d665572d3cd39f997e29e6daac7c1102fc5c04f
    Patch
  • github.com https://github.com/denoland/deno/commit/ef315b56c26c9ef5f25284a5100d2ed525a148cf
    Patch
  • github.com https://github.com/denoland/deno/pull/22894
    Issue TrackingPatch
  • github.com https://github.com/denoland/deno/pull/29213
    Issue TrackingPatch