CVE-2026-71100 Information disclosure in Oracle Database Server
Unauthenticated attackers can read a subset of database data via network access, requiring immediate patching for Oracle Database Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-71100?
CVE-2026-71100 is a medium-severity vulnerability in Oracle Database Server, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-71100?
It affects 1 product.
Products include Oracle Database Server.
How do I fix CVE-2026-71100?
No fix has been published for CVE-2026-71100 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-71100 being exploited?
There is no known exploitation of CVE-2026-71100 in the wild and no public exploit code.
Other vulnerabilities in Oracle Database Server
Sources
Also known as GHSA-5x3f-44p2-h7rr.