Vulnerability in Apache Openmeetings
CVE-2026-33005
Improper Handling of Insufficient Privileges vulnerability in Apache OpenMeetings. Any registered user can query web service with their credentials and get files/sub-folders of any folder by ID (metadata only NOT contents). Metadata includes id, type, name and some other field. Full list of fields get be checked at FileItemDTO object. This issue affects Apache OpenMeetings: from 3.10 before 9.0.0. Users are recommended to upgrade to version 9.0.0, which fixes the issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (49.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Apache Openmeetings
- Apache Software Foundation Openmeetings — versions 3.1.0
Weakness classification (CWE)
References
- openmeetings.apache.org/openmeetings-db/apidocs/org.apache.openmeetings.db/org/… (Product, technical-description)
- lists.apache.org/thread/pttoprd628g3xr6lpp3bm1z8m3z8t4p7 (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-33005?
- CVE-2026-33005 is a medium-severity vulnerability in Apache Openmeetings, classified under Improper Handling of Insufficient Privileges. CVSS score: 4.3/10. Published 2026-04-09.
- How severe is CVE-2026-33005?
- Medium severity. CVSS v3 base score is 4.3 out of 10.