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PatchSiren cyber security CVE debrief

CVE-2026-107433 miniOrange CVE debrief

A Missing Authorization vulnerability in the WP OAuth Server plugin for WordPress, affecting versions up to and including 6.4.0, allows attackers to exploit incorrectly configured access control security levels. This issue, tracked as CVE-2026-107433, was publicly disclosed on October 14, 2026. The vulnerability has the potential to impact WordPress installations that use the WP OAuth Server plugin, particularly if access control configurations are not properly set up. Administrators should verify their configurations and ensure they are updated to a version beyond 6.4.0 if possible.

Vendor
miniOrange
Product
WP OAuth Server
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-14
Original CVE updated
2026-10-14
Advisory published
2026-10-14
Advisory updated
2026-10-14

Who should care

WordPress administrators and security teams should assess exposure and verify configurations of the WP OAuth Server plugin. They need to ensure that the plugin is updated to a secure version and that access control security levels are correctly configured to prevent exploitation. Monitoring for unauthorized access attempts and reviewing plugin configurations are crucial steps in mitigating this vulnerability.

Why it matters

CVE-2026-107433 is a Missing Authorization vulnerability in the WP OAuth Server plugin for WordPress. Defenders should verify plugin configurations and versions, and monitor for unauthorized access attempts. The vulnerability allows exploitation of incorrectly configured access control security levels, affecting versions up to 6.4.0.

  • Potential unauthorized access to sensitive data or functionality
  • Possible lateral movement within the network
  • Need for verification of plugin configuration and version
  • Potential for data tampering or modification

Technical summary

The WP OAuth Server plugin for WordPress has a Missing Authorization vulnerability, allowing exploitation of incorrectly configured access control security levels. This affects versions up to and including 6.4.0. The vulnerability arises from insufficient checks on access control configurations, which could lead to unauthorized access or manipulation of sensitive data. Defenders should focus on verifying plugin configurations and ensuring updates are applied.

Defensive priority

Defenders should prioritize verifying the configuration of the WP OAuth Server plugin and ensuring it is updated to a version beyond 6.4.0 if possible.

Recommended defensive actions

  • Verify the WP OAuth Server plugin version and update if necessary
  • Review and correct the configuration of access control security levels
  • Monitor for potential unauthorized access attempts

Evidence notes

The CVE record and source item provide details on the vulnerability but do not specify exploitation or victim information. The NVD entry is currently empty.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-107433 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-107433

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

  • CVE-2026-107433 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-107433

    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.