MongoDB PHP Driver: Schwachstelle ermöglicht Denial of Service
WID-SEC-2026-1562 · first 18.05.2026 · updated 05.10.2026 · CVSS 5,9
What it is about
MongoDB ist ein Open-Source-Dokumentendatenbank. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in MongoDB ausnutzen, um einen Denial of Service Angriff durchzuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
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:
- Debian Linux
- Fedora Linux
- Open Source MongoDB PHP Driver <1.21.5
- Open Source MongoDB PHP Driver <2.1.8
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 PHP Driver 1.21.5
- Open Source MongoDB PHP Driver 2.1.8
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 2026-05-17 jira.mongodb.org
- NIST Vulnerability Database vom 2026-05-17 nvd.nist.gov
- Fedora Security Advisory FEDORA-EPEL-2026-8112FC6E20 vom 2026-06-10 bodhi.fedoraproject.org
- Debian Security Advisory DSA-6539 vom 2026-10-02 security-tracker.debian.org
CVE: CVE-2026-6811
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.