CVE-2026-83305 Missing authorization in Oracle BI Publisher
Unauthenticated attackers can access, modify, or disrupt Oracle BI Publisher data via HTTP due to missing authorization checks.
- 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-2026-83305?
CVE-2026-83305 is a high-severity missing authorization vulnerability in Oracle BI Publisher, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: BI Platform Security). Supported versions that are affected are 8.2.0.0.0, 12.2.1.4.0 and 26.01.0.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle BI Publisher accessible data as well as unauthorized update, insert or delete access to some of Oracle BI Publisher accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle BI Publisher. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).
Weakness: CWE-306
Which versions are affected by CVE-2026-83305?
How do I fix CVE-2026-83305?
No fix has been published for CVE-2026-83305 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-83305 being exploited?
There is no known exploitation of CVE-2026-83305 in the wild and no public exploit code.
Sources
Also known as GHSA-w3x5-mxvq-293h.