What is the CVSS score of EUVD-2026-20938?

EUVD-2026-20938 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Apache are affected by EUVD-2026-20938?

Apache OpenMeetings versions 3.1.3 through 8.x transmit login credentials as unencrypted HTTP GET parameters, exposing user authentication data to browser history, server logs, and network…. A patch is available.

Apache EUVD-2026-20938

| CVE-2026-34020 HIGH

Use of GET Request Method With Sensitive Query Strings (CWE-598)

2026-04-09 apache

GHSA-gcvm-c75m-h4p4

Apache Information Disclosure

7.5

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Patch released

Apr 11, 2026 - 02:30 nvd

Patch available

EUVD ID Assigned

Apr 09, 2026 - 16:00 euvd

EUVD-2026-20938

Analysis Generated

Apr 09, 2026 - 16:00 vuln.today

CVE Published

Apr 09, 2026 - 15:52 nvd

HIGH 7.5

DescriptionNVD

Use of GET Request Method With Sensitive Query Strings vulnerability in Apache OpenMeetings.

The REST login endpoint uses HTTP GET method with username and password passed as query parameters. Please check references regarding possible impact

This issue affects Apache OpenMeetings: from 3.1.3 before 9.0.0.

Users are recommended to upgrade to version 9.0.0, which fixes the issue.

AnalysisAI

Apache OpenMeetings REST login endpoint exposes credentials through HTTP GET query parameters, enabling credential harvesting via browser history, server logs, referrer headers, and intermediate proxies. Affects versions 3.1.3 through 8.x. …

RemediationAI

Within 24 hours: Audit all Apache OpenMeetings deployments to identify affected versions (3.1.3-8.x) and document exposure scope. Within 7 days: Implement forced HTTPS with HSTS headers, disable GET-parameter authentication if POST alternative exists, and review server logs and proxy records for harvested credentials. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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EUVD-2026-20938 vulnerability details – vuln.today

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Apache EUVD-2026-20938

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

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External POC / Exploit Code