What is GHSA-2q8w-2g5h-v4cq?

GHSA-2q8w-2g5h-v4cq is a security advisory published by GitHub Security Advisories with High severity. Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are...

Which CVE IDs does GHSA-2q8w-2g5h-v4cq cover?

GHSA-2q8w-2g5h-v4cq covers the following CVE IDs: CVE-2026-91499. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2q8w-2g5h-v4cq?

GHSA-2q8w-2g5h-v4cq has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-2q8w-2g5h-v4cqHighCVSS 8.8

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are...

Vendor

GitHub Security Advisories

Published

October 21, 2026

Last Modified

October 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-91499 →

📋 Description

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having DBMS_VECTOR privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (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:H).

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-91499
https://www.oracle.com/security-alerts/cpuoct2026.html
https://github.com/advisories/GHSA-2q8w-2g5h-v4cq