Security readout for executives and security teams
Plain-English summary
CVE-2026-21940 affects Oracle Agile PLM 9.3.6. An unauthenticated attacker who can reach the system over HTTP may access critical or all Agile PLM-accessible data. This is a data-confidentiality issue, not described as allowing data changes or service disruption.
Executive priority
Treat as a high-priority confidentiality risk for Oracle Agile PLM environments. Prioritize systems holding sensitive product, supplier, or manufacturing data, especially if reachable beyond tightly controlled internal networks.
Technical view
Oracle describes an easily exploitable vulnerability in Oracle Agile PLM, component User and User Group. Attack vector is network over HTTP, with no privileges or user interaction required. CVSS 3.1 is 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. The associated weakness is CWE-200.
Likely exposure
Organizations running Oracle Agile PLM 9.3.6 with HTTP access reachable by users, partners, VPN users, or the internet are the primary exposure group. Systems containing product lifecycle, supplier, engineering, or manufacturing data may face significant confidentiality risk.
Exploitation context
The sources do not report active exploitation, and this CVE is not marked KEV in the provided data. However, the issue is unauthenticated, network-reachable, and low-complexity, which increases practical risk if Agile PLM is exposed.
Researcher notes
Public details are limited to Oracle’s advisory-level description. The affected component is User and User Group, and impact is unauthorized access to critical or all Agile PLM-accessible data. No exploit details, indicators, or root-cause specifics are provided in the source bundle.
Mitigation direction
- Review Oracle’s January 2026 Critical Patch Update for CVE-2026-21940 guidance.
- Apply Oracle-provided updates or mitigations for Agile PLM 9.3.6 where applicable.
- Restrict HTTP access to Agile PLM to trusted networks and required users.
- Monitor Agile PLM access for unusual unauthenticated or unexpected data access patterns.
Validation and detection
- Inventory Oracle Agile PLM deployments and confirm whether version 9.3.6 is present.
- Determine whether Agile PLM HTTP endpoints are reachable from untrusted networks.
- Confirm Oracle CPU remediation status for each affected instance.
- Review access logs for anomalous requests around user or group functionality.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-21940 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- Oracle AdvisoryCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.