MongoDB C Driver: Schwachstelle ermöglicht Denial of Service
WID-SEC-2026-0828 · first 24.03.2026 · updated 24.03.2026 · CVSS 2,0
What it is about
MongoDB ist ein Open-Source-Dokumentendatenbank. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in MongoDB C Driver ausnutzen, um einen Denial of Service Angriff durchzuführen.
Under what conditions?
Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source MongoDB C Driver <2.2.3
- Open Source MongoDB C Driver <1.30.8
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 2.2.3
- Open Source MongoDB C Driver 1.30.8
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)
- MongoDB Issue vom 2026-03-23 jira.mongodb.org
- NIST Vulnerability Database vom 2026-03-23 nvd.nist.gov
- MongoDB Issue vom 2026-03-23 jira.mongodb.org
CVE: CVE-2026-4359
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.