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CVE-2026-87266 – Unauthenticated Data Disclosure / Partial DoS – Oracle Agile PLM 9.3.6

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Summary

CVE-2026-87266 is a vulnerability in the Application Server component of Oracle Agile PLM that allows a remote, unauthenticated attacker with network access via HTTP to gain unauthorized access to critical data or complete access to all Oracle Agile PLM accessible data, and to cause a partial disruption of service. Oracle rates the flaw HIGH severity with a CVSS v3.1 base score of 8.2. Oracle Agile PLM version 9.3.6 is confirmed affected.

Technical details

  • Root cause: A flaw in the Application Server component of Oracle Agile PLM that can be reached over HTTP without any credentials.
  • Trigger conditions: Requires only network access to the HTTP protocol used by Oracle Agile PLM; Oracle describes the flaw as "easily exploitable."
  • Attack vector: Network (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction required (UI:N).
  • Impact: High confidentiality impact — successful exploitation can result in unauthorized access to critical data or complete access to all data accessible to Oracle Agile PLM — combined with a low availability impact (partial denial of service). No integrity impact is indicated.

Affected software

  • Oracle Agile PLM version 9.3.6

Severity

  • CVSS v3.1 Base Score: 8.2 (High)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Mitigation and recommended actions

  • Immediate: Apply the fix provided in Oracle’s Critical Patch Update / Security Alert (cspusep2026, September 2026) for Oracle Agile PLM 9.3.6. Organizations should consult Oracle’s advisory and apply the corresponding patch as soon as possible.
  • If immediate patching is not possible: Restrict network exposure of the Oracle Agile PLM Application Server, particularly HTTP access, to trusted internal networks only, and place it behind a firewall or VPN to reduce the internet-facing attack surface until the patch can be applied.

References

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