Which products and versions are affected by CVE-2024-54676?

Affected: Openmeetings (Apache) versions >= 2.1; org.apache.openmeetings:openmeetings-parent (maven) versions >= 2.1.0. The full list is in the CVE brief.

Is CVE-2024-54676 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2024-54676 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2024-54676?

No public exploit code is known.

Is there a fix for CVE-2024-54676?

Fixed versions are available, including Openmeetings 8.0.0, org.apache.openmeetings:openmeetings-parent 8.0.0.

How urgently should CVE-2024-54676 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2024-54676

Critical

Apache OpenMeetings vulnerable to Deserialization of Untrusted Data

Published Jan 8, 2025 · Updated Oct 8, 2026 · Also known as GHSA-mjf9-4pcv-vfg7

Key Facts

Patch immediately

CVE-2024-54676 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Openmeetings (Apache), org.apache.openmeetings:openmeetings-parent (maven).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 69% probability of exploitation in the next 30 days.
Fixed versions are available, including Openmeetings 8.0.0, org.apache.openmeetings:openmeetings-parent 8.0.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v4

9.3

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS (30-day exploit likelihood)

69%

Higher than 99.3% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2024-54676 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Vendor: The Apache Software Foundation

Versions Affected: Apache OpenMeetings from 2.1.0 before 8.0.0

Description: Default clustering instructions at https://openmeetings.apache.org/Clustering.html doesn't specify white/black lists for OpenJPA this leads to possible deserialisation of untrusted data. Users are recommended to upgrade to version 8.0.0 and update their startup scripts to include the relevant 'openjpa.serialization.class.blacklist' and 'openjpa.serialization.class.whitelist' configurations as shown in the documentation.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
OpenmeetingsApache	>= 2.1	8.0.0
org.apache.openmeetings:openmeetings-parentmaven	>= 2.1.0	8.0.0

Patched Releases

Openmeetings

8.0.0

org.apache.openmeetings:openmeetings-parent

8.0.0

Timeline

Publicly disclosed
Jan 8, 2025
Last updated
Oct 8, 2026

Weakness Type

CWE-502 Deserialization of Untrusted Data

References

3 more references in the full CVE brief

FAQ

Common Questions.

Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.1.0 before 8.0.0 Description: Default clustering instructions at https://openmeetings.apache.org/Clustering.html doesn't specify white/black lists for OpenJPA this leads to possible deserialisation of untrusted data.
Affected: Openmeetings (Apache) versions >= 2.1; org.apache.openmeetings:openmeetings-parent (maven) versions >= 2.1.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Openmeetings 8.0.0, org.apache.openmeetings:openmeetings-parent 8.0.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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