CVE-2026-83307 Missing authorization in Oracle BI Publisher
Low-privileged attackers can compromise Oracle BI Publisher via HTTP to read, modify, or delete critical data and cause partial denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83307?
CVE-2026-83307 is a high-severity missing authorization vulnerability in Oracle BI Publisher, published on 15 Sep 2026. Any signed-in user can exploit it over the network, 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 low privileged attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle BI Publisher accessible data as well as unauthorized access to critical data or complete access to all 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 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L).
Weakness: CWE-284
Which versions are affected by CVE-2026-83307?
How do I fix CVE-2026-83307?
No fix has been published for CVE-2026-83307 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-2026-83307 being exploited?
There is no known exploitation of CVE-2026-83307 in the wild and no public exploit code.
Sources
Also known as GHSA-g2fw-q52r-7rv5.