Vulnerability · Published Oct 20, 2026 · Assigned by oracle

CVE-2026-91609

Medium 6.5

In plain English

A medium-severity information exposure in Oracle REST Data Services from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.4%top 68.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in Oracle REST Data Services (component: Graph QL). Supported versions that are affected are 24.2.0-26.2.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle REST Data Services accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	Oracle REST Data Services	24.2.0 – through 26.2.1

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

Oracle Advisory vendor-advisory