CVE-2026-21940
Published: 20 January 2026
Summary
CVE-2026-21940 is a high-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Oracle Supply Chain Products Suite. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 17.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Automated marking applies security attributes to system outputs, making it harder for attackers to exploit unmarked sensitive information leading to unauthorized exposure.
Proper attribute retention and permitted-value enforcement limits unauthorized actors from accessing sensitive information lacking correct labels.
Prevents unauthorized exposure of sensitive information by prohibiting untrusted external systems from processing or storing it.
By enforcing authorization matching prior to sharing, the control reduces the risk of exposing sensitive information to unauthorized actors.
Review and removal of nonpublic information from publicly accessible systems directly prevents exposure of sensitive data to unauthorized actors.
Data mining protection mechanisms detect and block unauthorized bulk extraction of sensitive data, directly mitigating exposure to unauthorized actors.
Literacy training teaches users to recognize and avoid actions that result in unauthorized exposure of sensitive information.
Retaining and monitoring training records confirms personnel have completed privacy and security awareness training on handling sensitive data, reducing the chance of unauthorized exposure due to lack of knowledge.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Direct unauthenticated network exposure of sensitive data in a public-facing Oracle web application maps to exploitation of public-facing apps for initial access and data compromise.
NVD Description
Vulnerability in the Oracle Agile PLM product of Oracle Supply Chain (component: User and User Group). The supported version that is affected is 9.3.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Agile PLM.…
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Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Agile PLM accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Deeper analysisAI
CVE-2026-21940 is a vulnerability in the User and User Group component of Oracle Agile PLM, a product within Oracle Supply Chain. The supported version affected is 9.3.6. This easily exploitable issue, associated with CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor), carries a CVSS 3.1 Base Score of 7.5 with the vector (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), primarily impacting confidentiality.
An unauthenticated attacker with network access via HTTP can exploit this vulnerability to compromise Oracle Agile PLM. Successful exploitation grants unauthorized access to critical data or complete access to all Oracle Agile PLM accessible data.
Oracle has published a security alert at https://www.oracle.com/security-alerts/cpujan2026.html, which provides details on the vulnerability and associated mitigations or patches.
Details
- CWE(s)