What is the CVSS score of CVE-2025-48888?

CVE-2025-48888 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2025-48888?

Yes, a public proof-of-concept exploit is available for CVE-2025-48888. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-48888?

Within 30 days: Identify affected systems running version 1.41.3 and and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Deno CVE-2025-48888

Q: Which versions of Deno are affected by CVE-2025-48888?

Organizations using version 1.41.3 and should be aware of moderate risk from CVE-2025-48888, a incorrect authorization vulnerability rated CVSS 5.3.. A patch is available.

EUVD-2025-16912 MEDIUM

Incorrect Authorization (CWE-863)

2025-06-04 security-advisories@github.com

GHSA-xqxc-x6p3-w683

Authentication Bypass Deno Suse

5.3

CVSS 3.1 · GitHub Advisory

View

Vulnerability Assessment

Weakness	CWE CWE-863 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Authorization logic validation MITRE ATT&CK 1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.3 (MEDIUM).

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 14, 2026

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.

Earlier versions of this analysis (1)

v1 Mar 14, 2026 - 17:29 CVSS 5.3

RemediationAI

A vendor patch is available. Apply it as soon as possible and verify the fix.

Affected VersionsENISA

deno 1.41.3, < 2.1.13

deno 2.3.0, < 2.3.2

deno 2.2.0, < 2.2.13

Affected Packages

cargo deno fix: 2.1.13, 2.2.13, 2.3.2

cargo deno_runtime fix: 0.212.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in cargo

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Incorrect Authorization (CWE-863).

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

SUSE MEDIUM

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Patch released

Mar 14, 2026 - 17:29 nvd

Patch available

PoC Detected

Jul 02, 2025 - 14:05 vuln.today

Public exploit code

CVE Published

Jun 04, 2025 - 20:15 nvd

MEDIUM 5.3

Executive ViewAI

Why It Matters

Organizations using version 1.41.3 and should be aware of moderate risk from CVE-2025-48888, a incorrect authorization vulnerability rated CVSS 5.3. Attackers could gain access beyond their authorized level. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.1%

Top 76% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS Vendor

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.1%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +26

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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Command injection in Deno versions prior to 2.6.8 allows unauthenticated remote attackers to execute arbitrary commands

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7.5 Jan 15

Deno versions up to 2.6.0 contains a vulnerability that allows attackers to have infinite encryptions (CVSS 7.5).

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7.5 Feb 25

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Same weakness CWE-863 – Incorrect Authorization

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8.8

CVE-2023-21715 HIGH

7.3

CVE-2025-21480 HIGH

8.6

CVE-2025-21479 HIGH

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CVE-2025-32462 HIGH POC

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Same technique Authentication Bypass

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CVE-2015-3306 CRITICAL POC

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CVE-2023-22515 CRITICAL POC

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CVE-2012-4681 CRITICAL POC

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CVE-2013-2465 CRITICAL POC

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CVE-2022-40684 CRITICAL POC

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CVE-2024-0012 CRITICAL POC

9.3

Vendor StatusVendor

SUSE

Severity: Medium

References

Advisories & patches

PATCH https://github.com/denoland/deno/commit/2f0fae9d9071dcaf0a689bc7097584b1b9ebc8db PATCH https://github.com/denoland/deno/commit/9d665572d3cd39f997e29e6daac7c1102fc5c04f PATCH https://github.com/denoland/deno/commit/ef315b56c26c9ef5f25284a5100d2ed525a148cf PATCH https://github.com/denoland/deno/pull/22894 PATCH https://github.com/denoland/deno/pull/29213 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-48888

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