---
id: CVE-2026-39767
title: Subscriber Denial of Service Attack in WPBase Cache <= 5.5.6 versions.
summary: Subscriber Denial of Service Attack in WPBase Cache <= 5.5.6 versions.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: baseapp
product: wpbase-cache
affected:
  - wpbase-cache >= n/a <= 5.5.6
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T09:17:48.763'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-39767'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/wpbase-cache/vulnerability/wordpress-wpbase-cache-plugin-5-5-6-denial-of-service-attack-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T08:50:17.482Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-06T10:24:59.133875Z'
---

## Overview

Subscriber Denial of Service Attack in WPBase Cache <= 5.5.6 versions.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.