CVE-2026-21959: Oracle Workflow · Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to
Affects Oracle WorkflowSource CVE Database V5
Not known to be exploited · CVSS 4.9 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Oracle CorporationOracle Workflow | Affected
| Fixed in– |
Mavencom.oracle.workflow/oracle-workflowpkg:maven/com.oracle.workflow/oracle-workflowOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
1. Immediately review and restrict high privilege accounts that have network access to Oracle Workflow components, ensuring the principle of least privilege is enforced. 2. Implement network segmentation and firewall rules to limit HTTP access to Oracle Workflow services only to trusted management networks or VPNs. 3. Monitor logs and network traffic for unusual access patterns or attempts to access Oracle Workflow via HTTP, focusing on high privilege account activity. 4. Apply Oracle's security advisories and patches promptly once they become available for this vulnerability. 5. Conduct internal audits of privileged user activities and enforce strong authentication mechanisms such as multi-factor authentication (MFA) for all high privilege accounts. 6. Consider deploying Web Application Firewalls (WAF) or Intrusion Detection/Prevention Systems (IDS/IPS) with custom rules to detect and block suspicious HTTP requests targeting Oracle Workflow endpoints. 7. Educate system administrators and security teams about this vulnerability to increase awareness and readiness to respond to potential exploitation attempts. 8. Regularly back up Oracle Workflow data and configurations to enable recovery in case of any related security incidents.
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).