Vulnerability · Published Oct 20, 2026 · Assigned by oracle

CVE-2026-91338

High 7.1

In plain English

A high-severity improper access control in iSupport 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 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High

Exploit odds (30 days)0.2%top 90.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in the iSupport product of Oracle E-Business Suite (component: Internal operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise iSupport. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all iSupport accessible data as well as unauthorized read access to a subset of iSupport accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	iSupport	12.2.3 – through 12.2.15

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

References

Oracle Advisory vendor-advisory