CVE-2026-21940 is a high-severity vulnerability in the Oracle Agile PLM product of Oracle Supply Chain, specifically in the User and User Group component. This vulnerability allows unauthenticated attackers with network access via HTTP to compromise Oracle Agile PLM. Successful exploitation could lead to unauthorized access to critical data or complete access to all Oracle Agile PLM accessible data. Given the CVSS 3.1 Base Score of 7.5, organizations must consider this a significant risk.
The vulnerability was published on January 20, 2026, and its potential impact on confidentiality is notable. Organizations running affected versions should act swiftly, as the vulnerability is easily exploitable and poses a risk of data exposure.
Organizations should prioritize patching immediately to reduce the risk associated with this vulnerability. The urgency is heightened by the exploitability of the flaw, which could facilitate unauthorized data access.
As of now, there are no known exploits or proofs of concept available publicly, but this should not diminish the urgency for remediation. Security teams must remain vigilant and proactive in their vulnerability management practices.
Vulnerability Details
The vulnerability is characterized as follows: it is associated with the component User and User Group in the Oracle Agile PLM product. The officially supported affected version is 9.3.6. The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating a high confidentiality impact and low attack complexity. The attack vector is network-based, requiring no user interaction or privileges.
The vulnerability is classified under CWE-200, which relates to information exposure. Organizations using the vulnerable version should expect significant risks if they do not apply necessary updates.
Technical Analysis
The root cause of this vulnerability lies in inadequate access controls, allowing unauthenticated attackers to gain unauthorized access to sensitive data. The attack vector is network-based, permitting attackers to exploit the vulnerability remotely without needing physical access to the system.
The attack complexity is low, meaning that attackers can exploit the vulnerability with little effort. The vulnerability does not require any privileges or user interaction, making it particularly dangerous. It has a high confidentiality impact, as successful exploitation could lead to the exposure of sensitive information, while the integrity and availability impacts are negligible.
Risk & Impact Analysis
Risk to organizations includes unauthorized access to sensitive data, which could lead to data breaches or regulatory penalties. The blast radius potential is extensive, as the vulnerability affects the Oracle Agile PLM product, commonly used in supply chain management, potentially impacting a wide array of critical operations.
Given the CVSS score of 7.5, this vulnerability falls into the high-severity category. Organizations should address it in their priority patch cycle to mitigate risks associated with unauthorized data exposure.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version of Oracle Agile PLM is 9.3.6. Organizations running this version should take immediate action to secure their systems against potential exploitation.
Mitigation & Remediation
To mitigate this vulnerability, organizations should apply the latest patches provided by Oracle. For those unable to immediately apply patches, it is advisable to implement network segmentation and access controls to limit exposure. Regular security assessments should be conducted to identify and rectify vulnerabilities.
Organizations should validate remediation through penetration testing to identify similar weaknesses.
Detection Guidance
To monitor for potential exploitation of this vulnerability, organizations should review logs for unauthorized access attempts and unusual activity related to Oracle Agile PLM. Behavioral anomalies or changes in data access patterns should also be investigated.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-21940 highlights the importance of maintaining up-to-date software and security practices. This vulnerability represents a pattern of exploitability in widely used enterprise solutions. Security teams should take this opportunity to review their vulnerability management programs and ensure they are equipped to respond to similar threats.
For organizations utilizing Oracle products, regular engagement with security advisories is critical. Resources such as the vulnerability management program can help address these issues effectively. Furthermore, implementing regular penetration testing is essential to proactively identify and mitigate vulnerabilities.
Ultimately, staying informed about vulnerabilities like CVE-2026-21940 is crucial for security resilience. Continuous improvement in security posture through training and awareness can significantly reduce the risk of exploitation.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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