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CVE-2026-71027 Oracle Corporation CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-18T21:18:02.270Z and has not been modified since then. The CVE-2026-71027 vulnerability is in the Endeca Application Controller component of Oracle Commerce Guided Search / Oracle Commerce Experience Manager version 11.4.0. It has a CVSS score of 7.6, indicating high severity. The vulnerability allows low-privileged attackers with network access via HTTP to compromise the product. Successful attacks require human interaction from a person other than the attacker. The vulnerability can result in unauthorized access to critical data or complete access to all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data, as well as unauthorized update, insert, or delete access to some data. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N. Oracle Commerce Guided Search / Oracle Commerce Experience Manager customers should prioritize patching due to high CVSS score of 7.6 and potential scope change impacting additional products.

Vendor
Oracle Corporation
Product
Oracle Commerce Guided Search / Oracle Commerce Experience Manager
CVSS
HIGH 7.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-18
Original CVE updated
2026-08-31
Advisory published
2026-08-18
Advisory updated
2026-08-31

Who should care

Oracle Commerce Guided Search / Oracle Commerce Experience Manager customers and administrators, especially those with version 11.4.0, should be aware of this high-severity vulnerability and take immediate action to patch or mitigate it.

Technical summary

The CVE-2026-71027 vulnerability is in the Endeca Application Controller component of Oracle Commerce Guided Search / Oracle Commerce Experience Manager version 11.4.0. It has a CVSS score of 7.6, indicating high severity. The vulnerability allows low-privileged attackers with network access via HTTP to compromise the product. Successful attacks require human interaction from a person other than the attacker. The vulnerability can result in unauthorized access to critical data or complete access to all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data, as well as unauthorized update, insert, or delete access to some data. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.

Defensive priority

Oracle Commerce Guided Search / Oracle Commerce Experience Manager customers should prioritize patching due to high CVSS score of 7.6 and potential scope change impacting additional products.

Recommended defensive actions

  • Apply the Oracle patch as soon as possible
  • Review and update access controls for Oracle Commerce Guided Search / Oracle Commerce Experience Manager
  • Monitor for suspicious activity on affected systems
  • Verify and enforce network access restrictions
  • Consider compensating controls if patching is not immediate

Evidence notes

The CVE-2026-71027 vulnerability affects Oracle Commerce Guided Search / Oracle Commerce Experience Manager version 11.4.0. It allows low-privileged attackers with network access via HTTP to compromise the product, potentially impacting additional products. Successful attacks require human interaction. The vulnerability results in unauthorized access to critical data and potential update, insert, or delete access to some data.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-71027 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-71027

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-71027 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-71027

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.