What is the CVSS score of EUVD-2026-47769?

EUVD-2026-47769 has a CVSS 3.1 base score of 9.6 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N. EPSS exploitation probability: 0.2%.

Is there a patch available for EUVD-2026-47769?

Yes, a patch is available for EUVD-2026-47769. Update the affected software to the latest version immediately.

Cal Diy EUVD-2026-47769

| CVE-2026-16624 CRITICAL

Authorization Bypass Through User-Controlled Key (CWE-639)

2026-07-22 certcc

Authentication Bypass Cal Diy Cal Com

9.6

CVSS 3.1 · Vendor: certcc

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Vulnerability Assessment

Weakness

CWE

CWE-639

OWASP Top 10:2025

A01:2025 - Broken Access Control

ASVS 5.0

V8 - Authorization Object-level authorization, IDOR prevention

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

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 27, 2026

Authorization bypass in Cal.com DIY allows any authenticated user to create webhooks on arbitrary teams by injecting an unvalidated teamId, enabling exfiltration of sensitive booking data including organizer/attend

Affected VersionsENISA

cal.diy 0 <6.2.0

Affected Packages

euvd cal_diy fix: 6.2.0

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 (certcc) PRIMARY 9.6 CRITICAL

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

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

CVSS VectorVendor: certcc

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVSS changed

Jul 27, 2026 - 18:22 NVD

9.6 (CRITICAL)

Patch available

Jul 22, 2026 - 20:02 EUVD

CVE Published

Jul 22, 2026 - 18:31 cve.org

UNKNOWN (no severity yet)

CVE Published

Jul 22, 2026 - 18:31 cve.org

CRITICAL 9.6

DescriptionCVE.org

Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords, by triggering webhook delivery.

Threat Intelligence Overview

EPSS Score

0.2%

Top 88% exploitable

Data Quality

6 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

Vulnrichment

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 CRITICAL

CISA KEV No

Public POC No

EPSS 0.2%

Patch available Yes

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.