MongoDB C Treiber: Schwachstelle ermöglicht Denial of Service und manipulation von Daten
WID-SEC-2026-4134 · first 23.10.2026 · updated 27.10.2026 · CVSS 5,2
What it is about
MongoDB ist ein Open-Source-Dokumentendatenbank. Ein lokaler Angreifer kann eine Schwachstelle in MongoDB C Treiber ausnutzen, um einen Denial of Service Angriff durchzuführen, und um Daten zu manipulieren.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen
- Daten zu manipulieren
Am I affected?
Affected according to the BSI:
- Fedora Linux
- Open Source MongoDB C Driver <1.30.14
- Open Source MongoDB C Driver <2.5.7
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source MongoDB C Driver 1.30.14
- Open Source MongoDB C Driver 2.5.7
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- mongo-c-driver Security Advisories vom 2026-10-22 github.com
- Fedora Security Advisory FEDORA-2026-E5BADBBEDC vom 2026-10-27 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-EPEL-2026-F7BF3FE89B vom 2026-10-27 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-EPEL-2026-6638625C0C vom 2026-10-27 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-DBE693EE92 vom 2026-10-27 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-EPEL-2026-FDEDA5EFFC vom 2026-10-27 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-BC9F778646 vom 2026-10-27 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-EPEL-2026-D9E57185B1 vom 2026-10-27 bodhi.fedoraproject.org
CVE: CVE-2026-114645
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.