CVE-2026-33005: Improper Handling of Insufficient Privileges vulnerability in Apache OpenMeetings. Any registered user can qu

Routine

MEDIUM 4.3WATCHLISTUPGRADE

CVE-2026-33005 is a medium-severity flaw (CVSS 4.3) affecting openmeetings. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-274
Published	2026-04-09
Last modified	2026-10-26

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-09 16:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

apache openmeetings UPGRADE

Affected: >= 3.1.0 and < 9.0.0

Fixed in: 9.0.0

Safe to downgrade to: a release before 3.1.0

1. Check installed version

apt-cache policy openmeetings || rpm -q openmeetings || openmeetings --version

2. UPGRADE to 9.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade openmeetings

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openmeetings

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 3.1.0 (Debian / Ubuntu)

apt-cache madison openmeetings sudo apt install openmeetings=<VERSION_BEFORE_3.1.0> sudo apt-mark hold openmeetings

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list openmeetings sudo dnf downgrade openmeetings-<VERSION_BEFORE_3.1.0> sudo dnf versionlock add openmeetings

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33005?

openmeetings: upgrade to 9.0.0. Exact commands for each OS are on this page.

Is CVE-2026-33005 being exploited?

CVE-2026-33005 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33005 affect?

CVE-2026-33005 affects openmeetings. Severity is medium (CVSS 4.3). 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 includ

How urgent is CVE-2026-33005?

Priority 29/100. On your watchlist

Related CVEs

CVE-2026-33266 HIGH 7.5 UPGRADE Use of Hard-coded Cryptographic Key vulnerability in Apache OpenMeetings. The remember-me cookie encryption k
CVE-2026-34020 HIGH 7.5 UPGRADE Use of GET Request Method With Sensitive Query Strings vulnerability in Apache OpenMeetings. The REST login e
CVE-2026-49488 MEDIUM 6.5 UPGRADE Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache OpenMee

References

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