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PatchSiren cyber security CVE debrief

CVE-2026-87299 Oracle Corporation CVE debrief

A vulnerability in Oracle WebCenter Content of Oracle Fusion Middleware (component: Content Server) has been identified. The supported versions affected are 12.2.1.4.0 and 14.1.2.0.0. This vulnerability allows an unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Content. Successful attacks require human interaction from a person other than the attacker and may significantly impact additional products. The vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebCenter Content accessible data as well as unauthorized read access to a subset of Oracle WebCenter Content accessible data.

Vendor
Oracle Corporation
Product
Oracle WebCenter Content
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-27
Advisory published
2026-10-20
Advisory updated
2026-10-27

Who should care

Defenders responsible for Oracle WebCenter Content instances, especially versions 12.2.1.4.0 and 14.1.2.0.0, should assess exposure and potential impact. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify exposure, assess potential impact, and prioritize patching for Oracle WebCenter Content.

Why it matters

CVE-2026-87299 is a medium-severity vulnerability in Oracle WebCenter Content that allows unauthenticated attackers to compromise systems with human interaction. Defenders should verify exposure, assess impact, and prioritize patching.

  • Potential unauthorized update, insert or delete access to some Oracle WebCenter Content data
  • Potential unauthorized read access to a subset of Oracle WebCenter Content data
  • Requires verification of exposure for Oracle WebCenter Content instances
  • May significantly impact additional products

Technical summary

The vulnerability in Oracle WebCenter Content allows an unauthenticated attacker with network access via HTTP to compromise the system. Successful attacks require human interaction and may impact additional products. The vulnerability results in unauthorized access to some Oracle WebCenter Content data. This medium-severity vulnerability affects Oracle WebCenter Content versions 12.2.1.4.0 and 14.1.2.0.0, and defenders should verify exposure, assess impact, and prioritize patching. The CVE record and NVD entry provide details about the vulnerability, its impact, and affected versions.

Defensive priority

Defenders should prioritize verifying exposure of Oracle WebCenter Content instances, especially versions 12.2.1.4.0 and 14.1.2.0.0, and assess the potential impact of this vulnerability on their systems.

Recommended defensive actions

  • Verify exposure of Oracle WebCenter Content instances, especially versions 12.2.1.4.0 and 14.1.2.0.0
  • Assess potential impact on systems and data
  • Apply vendor patches or updates as available
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, its impact, and affected versions. However, the corpus does not establish concrete evidence of exploitation or specific remediation steps beyond verifying exposure and applying vendor patches.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-87299 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-87299

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

  • CVE-2026-87299 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-87299

    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.