CVE-2026-34020 json
Apache OpenMeetings: Login Credentials Passed via GET Query Parameters
published 2026-04-09 7 mo ago modified 2026-10-26 13 d ago also EUVD-2026-20938 , GHSA-gcvm-c75m-h4p4
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven org.apache.openmeetings:openmeetings-parent 9.0.0
- Apache Software Foundation Apache OpenMeetings 9.0.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.openmeetings:openmeetings-parent | >=3.1.3, <9.0.0 |
9.0.0 |
Affected products
- Apache Software Foundation Apache OpenMeetings
Classification
- Weakness
-
- CWE-598 Use of HTTP Request With Sensitive Query String
References
-
lists.apache.org
/thread/2h3h9do5tp17xldr0nps1yjmkx4vs3db
vendor-advisory, web, mailing-list
-
owasp.org
/www-community/vulnerabilities/Information_exposure_through_query_strings_in_url
related, web, not-applicable
-
openwall.com
/lists/oss-security/2026/04/09/12
web, mailing-list, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-34020
advisory
-
github.com
/apache/openmeetings
package
Sources
- CVE List CVE-2026-34020
- GitHub Advisory GHSA-gcvm-c75m-h4p4
- NVD CVE-2026-34020
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.