What is the CVSS score of EUVD-2026-47809?

EUVD-2026-47809 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.2%.

Ip Login Extension For Joomla EUVD-2026-47809

| CVE-2026-64798 CRITICAL

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CWE-338)

2026-07-22 Joomla

Information Disclosure Ip Login Extension For Joomla Regularlabs Com

9.1

CVSS 3.1 · Vendor: Joomla

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Vulnerability Assessment

Weakness

CWE

CWE-338

OWASP Top 10:2025

A04:2025 - Cryptographic Failures

ASVS 5.0

V11 - Cryptography Cryptographic PRNG selection

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 27, 2026

Predictable persistent login keys in IP Login extension for Joomla allow unauthenticated attackers to compromise accounts. Versions 1.0.0 through 6.2.5 generate keys using a non-cryptographic random generator with insufficient entropy, enabling brute-force guessing. No public exploit is known, but the low-entropy PRNG makes key prediction feasible.

Affected VersionsENISA

IP Login extension for Joomla 1.0.0-6.2.5

Affected Packages

euvd ip_login_extension_for_joomla no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Joomla) PRIMARY 9.1 CRITICAL

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

Primary rating from Vendor (Joomla) · only source for this CVE.

CVSS VectorVendor: Joomla

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVSS changed

Jul 27, 2026 - 18:22 NVD

9.1 (CRITICAL)

CVE Published

Jul 22, 2026 - 20:41 cve.org

UNKNOWN (no severity yet)

CVE Published

Jul 22, 2026 - 20:41 cve.org

CRITICAL 9.1

DescriptionCVE.org

Persistent URL login keys were also generated using a non-cryptographic random generator with insufficient entropy.

Threat Intelligence Overview

EPSS Score

0.2%

Top 91% exploitable

Social Media

Sightings

Data Quality

5 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

Vulnrichment CIRCL

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 CRITICAL

CISA KEV No

Public POC No

EPSS 0.2%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

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

None

System Exposure· derived

Open

Automatable

Yes

Human Impact· derived

Medium

Technical Impact

Total

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +46

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.