Oracle Database Server: Mehrere Schwachstellen
WID-SEC-2026-1721 · first 29.05.2026 · updated 29.05.2026 · CVSS 9,0
What it is about
Die Oracle Datenbank ist ein weit verbreitetes relationales Datenbanksystem. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Oracle Database Server ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
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
- die Vertraulichkeit
- Integrität
- Verfügbarkeit zu gefährden
Am I affected?
Affected according to the BSI:
- Oracle Database Server 23.4.0-23.26.2
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Install the updates provided by the vendor; details in the sources below.
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)
- Oracle Critical Security Patch Update Advisory - May 2026 - Appendix Oracle Database Server vom 2026-05-28 www.oracle.com
CVE: CVE-2026-46833, CVE-2026-46834, CVE-2026-46835
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.