Vulnerability · Published Jan 20, 2026 · Assigned by oracle

CVE-2026-21959

Medium 4.9

In plain English

A medium-severity improper access control in Oracle Workflow 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 30% of all known vulnerabilities).

Severity (CVSS 3.1)4.9Medium

Exploit odds (30 days)0.4%top 69.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in the Oracle Workflow product of Oracle E-Business Suite (component: Workflow Loader). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Workflow. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Workflow accessible data. CVSS 3.1 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	Oracle Workflow	12.2.3 – through 12.2.15

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

References

Oracle Advisory vendor-advisory