SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-39767

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

MEDIUM 6.5EPSS 0.38%

Does this matter?

Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.38% probability · 32th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-770
Source
audit@patchstack.com
EPSS trend
0%3%5%6 October 2026: 0.41%27 October 2026: 0.38%6 October 202627 October 2026

EPSS moved from 0.4% on 6 October 2026 to 0.4% on 27 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.