← Vulnerability feed

Vulnerability record · CVE-2026-34020 · published 9 April 2026

CVE-2026-34020: Apache openmeetings vulnerability

Apache · Openmeetings

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.

7.5 CVSS 3.1 High EPSS 0.79% · top 45.5% CWE-598 · CWE-598
7.5CVSS 3.1 base score
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/2h3h9do5tp17xldr0nps1yjmkx4vs3db Mailing ListVendor Advisory
https://owasp.org/www-community/vulnerabilities/Information_exposure_through_query_strings_in_url Not Applicable
http://www.openwall.com/lists/oss-security/2026/04/09/12 Mailing ListThird Party Advisory

Track CVE-2026-34020 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2017-7664Apache openmeetings xml external entity (xxe) vulnerabilityUploaded XML documents were not correctly validated in Apache OpenMeetings 3.1.0.EPSS 2.3%9.8CVE-2024-54676Apache OpenMeetings OpenJPA deserialization of untrusted dataApache OpenMeetings versions from 2.1.0 before 8.0.0 ship default clustering instructions that omit OpenJPA serialization class white/black lists, al…EPSS 65%analysed9.8CVE-2023-28326Apache openmeetings missing authentication for critical function vulnerabilityVendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0 Description: Attacker can elevate their privile…EPSS 1.3%9.8CVE-2016-8736Apache openmeetings deserialization of untrusted data vulnerabilityApache OpenMeetings before 3.1.2 is vulnerable to Remote Code Execution via RMI deserialization attack.EPSS 4.8%9.8CVE-2017-7673Apache openmeetings improper restriction of authentication attempts vulnerabilityApache OpenMeetings 1.0.0 uses not very strong cryptographic storage, captcha is not used in registration and forget password dialogs and auth forms …EPSS 1.6%8.8CVE-2017-7666Apache openmeetings cross-site scripting vulnerabilityApache OpenMeetings 1.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) attacks, XSS attacks, click-jacking, and MIME based attacks.EPSS 0.80%8.8CVE-2017-7681Apache openmeetings sql injection vulnerabilityApache OpenMeetings 1.0.0 is vulnerable to SQL injection. This allows authenticated users to modify the structure of the existing query and leak the …EPSS 1.3%8.2CVE-2017-7682Apache openmeetings vulnerabilityApache OpenMeetings 3.2.0 is vulnerable to parameter manipulation attacks, as a result attacker has access to restricted areas.EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2026-34020), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.